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Worksheets

2nd Sem. Review: One Quiz to Rule them ALL

Total questions: 500

Worksheet time: 13hrs 49mins

Name
Class
Date
1.

What do all waves transfer?

a)

Matter

b)

Heat

c)

Electricity

d)

Energy

2.

Which of the following can waves transfer energy through?

a)

solid

b)

liquid

c)

gas

d)

empty space

e)

all of the above

3.

What are the two types of waves?

a)

longitudinal and transverse

b)

sound and light

c)

wavy & slinky

4.

What is the number of complete waves passing a fixed point in a given amount of time?

a)

Amplitude

b)

Intensity

c)

Wavelength

d)

Frequency

5.

What is the frequency of this wave? You must count the number of complete waves.

a)

1 Hz

b)

5 Hz

c)

10 Hz

6.

What is frequency measured in?

a)

Milliseconds

b)

Miles

c)

Hertz

d)

Kilograms

7.

a wavelength refers to...

a)

how long it takes for the wave pattern to repeat.

b)

how strong a wave is.

c)

how long a wave is.

d)

how much energy a wave has.

8.

Which type of waves have the longest wavelength?

a)

Visible light

b)

Radio waves

c)

X-rays

d)

Gamma-Rays

9.

Wavelengths are usually measured in ....

a)

seconds

b)

Hz

c)

inches

d)

meters

10.

Shorter wave lengths can carry more energy. Which of these probably carries the MOST energy:

a)

Infrared light

b)

Visible light

c)

X-rays

d)

UV light

11.

What does #1 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

12.
Waves that require a medium are called 
a)
mechanical waves
b)
transverse waves
c)
light waves
d)
gamma rays
13.

What kind of wave is pictured?

a)

compressional wave

b)

transverse wave

c)

sound wave

d)

mechanical wave

14.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

15.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
16.
Which wave has a greater frequency?
a)
A
b)
B
17.

What is the disturbance involving energy transfer from one place to another?

a)

Medium

b)

Amplitude

c)

Wave

d)

Vibration

18.
In a longitudinal wave, the particles move...?
a)
back and forth
b)
up and down
c)
not at all
d)
at a 90 degree angle
19.
Which wave is pictured?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
20.

The diagram shows a cartoon of a sound wave produced while a student is speaking.


What happens to the sound wave when the student speaks louder?

a)

The amplitude increases

b)

the wavelength will double

c)

the speed will increase

d)

the amplitude will decrease

21.

________ travels through solids fastest because the molecules are closer together

a)

sound

b)

light

c)
frequency
d)
amplitude
22.

The distance from the wave crest to the equilibrium  Level

a)

Wave

b)

Amplitude

c)

Wave Crest

d)

Wave Trough

e)

Wave Height

23.

The highest part of a wave.

a)

Wave

b)

Amplitude

c)

Wave Crest

d)

Wave Trough

e)

Wave Height

24.

The lowest part of a wave.

a)

Wave

b)

Amplitude

c)

Wave Crest

d)

Wave Trough

e)

Wave Height

25.

distance between two consecutive wave crests or between two consecutive wave troughs.

a)

Wave

b)

Amplitude

c)

Wave Length

d)

Wave Trough

e)

Wave Height

26.

The part of a wave that the particles are more pushed together.

a)

Compression

b)

Rarefaction

c)

Particles

d)

Wave

27.

The part of a wave that the particles are pulled apart

a)

Compression

b)

Rarefaction

c)

Particles

d)

Wave

28.

Which transverse wave has the highest frequency?

a)

1

b)

2

c)

3

d)

4

29.
The matter (solid, liquid, or gas) through which waves can travel
a)
Medium
b)
Object
c)
Transverse Wave
d)
Wavelength
30.

Which diagram shows the wavelength of a wave?

a)
b)
c)
31.

If the wavelength of a wave increased, what would happen to the frequency?

a)

decrease

b)

increase

c)

stay the same

32.

A wave that can travel through matter and empty space is a:

a)

electromagnetic wave

b)

longitudinal wavy

c)

transverse wave

d)

mechanical

33.

What type of wave is this?

a)

Longitudinal

b)

Transverse

c)

Electromagnetic

d)

x ray

34.
Which of the following is NOT a mechanical wave?
a)
sound
b)
light
c)
ocean
d)
seismic
35.
How would a person measure the wavelength on this sound wave?
a)
dense to less dense
b)
trough to crest
c)
compression to compression
d)
beginning of illustration to the end
36.

You can't hear sounds in outer space because there is no

a)

medium

b)

light

c)

energy

d)

heat

37.
Which travels faster, light or sound?
a)
light
b)
sound
38.

Which are properties of a mechanical wave?

a)

can be longitudinal or transverse

b)

can move through outer space

c)

must have matter to move

d)

carries energy

39.

What determines what color of light your eyes perceive?

a)

The frequency of the wave

b)

The amplitude of the wave

c)

The intensity of the wave

d)

The type of wave it is

40.

Isaac Newton found that sunlight is a mix of different wavelengths Which evidence supports this?

a)

light is white.

b)

light is found all over the universe

c)

light separates into colors in a prism

d)

light can travel very rapidly through space

41.

A wave is traveling in one medium. Then it begins traveling through another medium and changes direction. What happened?

a)

The wave was absorbed

b)

The wave was transmitted

c)

The wave was refracted

d)

The wave was reflected

42.

Which wave has the most energy?

a)

Wave 1

b)

Wave 2

c)

Wave 3

d)

Wave 4

43.

Which of these waves would be the dimmest?

a)

Wave 1

b)

Wave 2

c)

Wave 3

d)

Wave 4

44.

What makes the sky blue?

a)

Light refracting off the atmosphere

b)

Light reflecting the color of the oceans

c)

The atmosphere absorbed all the colors but blue

d)

The atmosphere transmits the blue light

45.

Identify B

a)

Wavelength

b)

Crest

c)

Amplitude

d)

Trough

46.

If you increase the energy put into a wave how will the change the wave?

a)

Change the crest

b)

Change the trough

c)

Change the type of wave

d)

Change the frequency

47.

What wave has particles that move perpendicularly to the direction of the wave?

a)

Transverse waves

b)

Longitudinal waves

c)

Sound waves

d)

Light waves

48.

What is Letter A?

a)

Crest

b)

Wavelength

c)

Amplitude

d)

Frequency

49.

What is letter B?

a)

Crest

b)

Wavelength

c)

Trough

d)

Frequency

50.

Which letters are pointing to the Amplitude?

a)

B

b)

E

c)

C

d)

F

51.

The wavelength is measured from crest to trough.

a)

True

b)

False

52.

A wave is a repeating back and forth pattern of motion.

a)

True

b)

False

53.

Waves carry matter, not energy.

a)

True

b)

False

54.

A wave has a frequency(f) of 2 waves per second and a wavelength(w) of 5 cm. What is the velocity of the wave? HINT: V = f x w

a)

10cm/s

b)

7cm/s

c)

3cm/s

d)

Not possible

55.

The sound is now a higher note/tone. What changed?

a)

increase in amplitude

b)

decrease in amplitude

c)

increase in frequency

d)

decrease in frequency

56.

The volume of the sound just got softer. What happened to the wave?

a)

increase amplitude

b)

decrease amplitude

c)

increase frequency

d)

decrease frequency

57.

When the frequency changes on a wave, what other property also changes?

a)

amplitude

b)

wavelength

c)

crest

d)

node

58.

A faster frequency has _________ energy.

a)

more

b)

less

c)

the same amount

d)

none

59.

Three different objects are shown in the pictures below. Which of the following refracts light?

a)

b)

c)

60.

Three different objects are shown in the pictures below. Which of the following absorbs all colors of light?

a)
b)
c)
61.

Three different objects are shown in the pictures below. Which of the following reflects all colors of light?

a)
b)
c)
62.

Light from the Sun transfers solar energy to the Earth system. Sunlight travels to Earth as _______ waves.

a)

electromagnetic

b)

seismic

c)

sound

d)

water

63.

Which of the following situations would cause light to refract?

a)

traveling through a vacuum

b)

moving from air to water

c)

moving through the air

d)

passing from one glass block to another

64.

Which of the images best describes the reflection of light?

a)
b)
c)
d)
65.

What is the correct formula for wave speed?

a)

Wave speed = frequency x wavelength

b)

Wave speed = amplitude x wavelength

c)

Wave speed = amplitude x period

d)

Wave speed = frequency x period

66.

As wavelength decreases, the crests of the wave:

a)

become wider

b)

become shorter

c)

get closer together

d)

get farther apart

67.

If a wave has a long wavelength, it will have __________ energy.

a)

High

b)

Medium

c)

Low

68.

If a wave has a short wavelength, it will have __________ energy.

a)

High

b)

Medium

c)

Low

69.

If a wave has a high frequency, it will have __________ energy.

a)

High

b)

Medium

c)

Low

70.

If a wave has a high amplitude, it will have __________ energy.

a)

High

b)

Medium

c)

Low

71.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
72.

Which of the following statements can be concluded from the table?

a)

X-Ray waves have a lower frequency than infrared waves.

b)

Microwaves have a smaller wavelength than visible light.

c)

The speed of all electromagnetic waves are equal.

d)

The frequency and wavelengths are equal for each type of radiation.

73.

A wave that vibrates the medium in the same direction it travels

a)

transverse

b)

longitudinal

c)

latitudinal

d)

wave

74.

An area where coils are far apart

a)

rarefaction

b)

raresteak

c)

rarefind

d)

faction

75.

An area where coils are close together

a)

compression

b)

compressor

c)

conductor

d)

composer

76.

Measurement of highest point (or lowest point) in a wave when compared to resting position.

a)

Amplitude

b)

Frequency

c)

Wavelength

d)

Medium

77.

How would part A on this picture be labeled?

a)
Compression
b)
Amplituide
c)
Rarefaction
d)
Wavelength
78.
What kind of wave is pictured?
a)
Transverse Wave
b)
Longitudinal Wave
c)
compressional wave
d)
none of the above
79.

At which point is the Rarefaction located?

a)

A

b)

C

c)

D

d)

E

e)

F

80.

At which point is the Crest located?

a)

A

b)

C

c)

D

d)

E

e)

F

81.

At which point is the Wavelength located?

a)

A

b)

C

c)

D

d)

E

e)

F

82.

At which point is the Trough located?

a)

B

b)

D

c)

E

d)

F

e)

G

83.

At which point is the Compression located?

a)

B

b)

D

c)

E

d)

F

e)

G

84.

At which point is the Amplitude located?

a)

B

b)

D

c)

E

d)

F

e)

G

85.

What are the parts of the wave equation?

(Check all that apply)

a)

f = Frequency

b)

v = Velociraptor

c)

λ = Speed

d)

λ = Wavelength

e)

v = Velocity

86.

What is the wave equation?

a)

λ = 2 + 5

b)

v = λ x f

c)

λ = wave + speed

d)

v = y + f

e)

f = h x v

87.

When a crest interferes with another crest to produce a larger amplitude crest what is this process called?

a)

Constructive interference

b)

Destructive interference

88.

When a crest and crest or trough and trough of two different waves interact you _________ the amplitudes.

a)

add

b)

subtract

c)

multiply

d)

divide

89.

What is the process called when a crest interferes with a trough to lessen or cancel the amplitude of a wave.

a)

Constructive interference

b)

Destructive interference

90.

What type of waves are produced whenever two waves of identical frequency interfere with one another while traveling in opposite directions along the same medium, & appear to not move?

a)

Standing

b)

Constructive

c)

Destructive

d)

Transversal

91.

True or false: constructive interference can make sounds much louder.

a)

True

b)

False

92.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
93.
In a standing wave, destructive interference creates points of zero amplitude called nodes. Which letters represent this.
a)
A,E,F
b)
B,D,F
c)
B,C,D
d)
A,C,F
94.
In a standing wave, constructive interference creates larger amplitudes.  The points of maximum amplitude are antinodes.  The letters for these are?
a)
B,C,D
b)
A,E,F
c)
A,C,F
d)
B,D,E
95.

The bending of waves around an obstacle

a)

refraction

b)

diffraction

c)

reflection

d)

resonance

96.

Process by which an object is made to vibrate by absorbing energy at it natural frequencies

a)

interference

b)

frequency

c)

standing wave

d)

resonance

e)

medium

97.

a point in a standing wave at which the interfering waves always cancel

a)

node

b)

compression

c)

mechanical wave

d)

rarefaction

98.

In the diagram which letters represent the nodes

a)

A B C

b)

A C E

c)

B D

d)

B D E

e)

A C D

99.

How many antinodes does this standing wave have?

a)

5

b)

6

c)

7

d)

8

100.

What is part B?

a)

Crest

b)

Trough

c)

Rarefaction

d)

Compression

e)

Reflection

101.

What is represented by letter A?

a)

Crest

b)

Trough

c)

Rarefaction

d)

Compression

e)

Wavelength

102.

What is part C?

a)

Crest

b)

Trough

c)

Rarefaction

d)

Compression

e)

Wavelength

103.

What do we call it when a wave changes directions because it is spreading out into a larger space after passing a barrier or through a small opening?

a)

Refraction

b)

Reflection

c)

Rarefaction

d)

Diffraction

e)

Interfraction

104.

What do we call it when a wave encounters a substance & some or all of its energy is transferred into the substance?

a)

Refraction

b)

Reflection

c)

Rarefaction

d)

Diffraction

e)

Absorption

105.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
106.
A leaf is green, what does this tell you about the light that is being absorbed?
a)
no light is being absorbed
b)
green is being refracted and all the colors are being absorbed.
c)
green is being absorbed and all the other colors are reflected
d)
green is being reflected and all the other colors are being absorbed
107.
Why does a purple shirt appear purple?
a)
the shirt material REFLECTS all wavelengths of color 
b)
the shirt material transmits all wavelengths of color except the purple
c)
the material absorbs all wavelengths of color except the purple wavelength
108.

Which statement is true about visible light?

a)

Humans cannot see any light from the electromagnetic spectrum.

b)

Visible light makes up a small part of the electromagnetic spectrum.

c)

Visible light has a frequency equal to that of gamma rays.

d)

Humans can see visible light only as white light.

109.

This occurs when light bounces off a surface

a)

reflection

b)

refraction

c)

absorb

d)

scatter

110.
How are rods different than cones?
a)
rods are not located in the eye
b)
rods see black and white, cones see color
c)
there are many more cones than rods
d)
rods don't help you see
111.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
112.

White light is made up of all of the colors of the rainbow

a)

True

b)

False

113.

What color of light has the longest wavelength?

a)

red

b)

green

c)

yellow

d)

violet

114.

What color of light has the shortest wavelength?

a)

red

b)

indigo

c)

yellow

d)

violet

115.

A student places a pencil in a glass of water and observes that the pencil appears to be broken. Which of these provides the best explanation for why the pencil appears broken?

a)

The pencil absorbs all the light rays that hit it.

b)

Water reflects light rays away from the pencil.

c)

Light rays are bent by the water in the glass

d)

The surface of the water reflects light rays.

116.

What is the saying that can help you remember the order of the visible spectrum?

a)

ROYGBIV

b)

RYOBIVG

c)

ROYBVIG

d)

RIBYOVG

117.

Which color REFLECTS all wavelengths of light?

a)

Red

b)

Black

c)

White

d)

Pink

118.

Which color ABSORBS all wavelengths of light?

a)

Red

b)

Black

c)

White

d)

Pink

119.

In the electromagnetic spectrum, which of the following is true of waves with long wavelengths?

a)

They have high frequencies

b)

They have low frequencies

c)

They have moderate frequencies

d)

They have inconsistent frequencies

120.

The full range of energy in sunlight can be described as

a)

ATP

b)

Visible Light

c)

Electromagnetic Radiation

d)

Ultraviolet Light

121.

What part of the electromagnetic spectrum can be seen by humans?

a)

Visible Light

b)

Microwaves

c)

Ultraviolet Waves

d)

Infrared Waves

122.

A rainbow is sunlight disbursed into a spectrum of colors ranging from red to violet. When you are facing a rainbow, the sun is always behind you, the rain is in the direction of the rainbow, and the arc of the rainbow is directly opposite the sun. Which statement best describes the formation of a rainbow?

a)

Tiny water droplets absorb the light waves that strike them disbursing the light into colored arcs.

b)

Light travels faster after the rain due to increased moisture in the air.

c)

Light in absorbed by the tiny water droplets in the atmosphere.

d)

The water droplets in the air refract the light waves separating the light into colored arcs.

123.

What is the correct order of the visible light spectrum starting with the longer wavelength?

a)

Red, yellow, orange, blue, violet, indigo

b)

Violet, indigo, blue, green, yellow, orange, red

c)

Green, yellow, blue, indigo, red, orange

d)

Red, orange, yellow, green, blue, indigo, violet

124.

The musical note A above middle C has a frequency of 440 Hz. If the wavelength is measured to be 0.80m, what is the speed of the wave?

a)

343 m/s

b)

350 m/s

c)

550 m/s

d)

352 m/s

125.

What is the wavelength of a wave with a speed of 25 m/s and a frequency of 50 Hz?

a)

6250 m

b)

.5 m

c)

75 Hz

d)

75 m

126.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3400 m/s
d)
34 Hz
127.
One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?
a)
3.00 m/s
b)
2.50 m/s
c)
.75 m/s
d)
1.25 m/s
128.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
129.
 A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
130.

V=fλV=f\lambda  
If the frequency is 5 Hz and the wavelength is 2 m, then what is the wave's velocity?

a)

10 m/s

b)

5/2 m/s

c)

2/5 m/s

d)

7 m/s

131.

V=fλV=f\lambda  
If the wave velocity is 20 m/s and the wavelength is 2 m, then what is the frequency?

a)

10 Hz

b)

40 Hz

c)

0.1 Hz

132.

Which cell is in charge of creating color in image captured by the eye?

a)

Rod cell

b)

Liver cell

c)

Cone cell

133.
Which example shows light being reflected?
a)
using a microscope to make small objects look larger
b)
using a prism to show the colors of the spectrum
c)
using eyeglasses to see things better
d)
using a mirror to see your image
134.
What are the three primary colors of light?
a)
Red, Green, Blue
b)
Green, Yellow, Blue
c)
Cyan, Magenta Yellow
d)
Cyan, Magenta, Black
135.

What do you call a push or pull on an object?

a)

Chemical

b)

Force

c)

Magnet

136.

Which force holds us to earth's surface?

a)

Friction

b)

Mass

c)

Gravity

137.

Which force would be created by the rubbing of 2 surfaces together?

a)

Friction

b)

Mass

c)

Gravity

138.

The amount of matter in an object is known as?

a)

Mass

b)

Weight

c)

Volume

139.

At which location would your mass be the greatest?

a)

Earth

b)

Moon

c)

Your mass stays the same everywhere.

140.

Gravity affects which of the following?

a)

Mass

b)

Weight and Mass

c)

Weight

141.

Anything that has mass and takes up space.

a)

mass

b)

matter

c)

volume

142.

Gravitational force exerted on an object.

a)

gravity

b)

weight

c)

mass

143.

Objects in motion tend to stay in motion, objects at rest tend to stay at rest, unless acted upon by a force.

a)

gravity

b)

friction

c)

inertia

144.
What is the net force?
a)
30 N 
b)
25 N 
c)
5 N 
d)
55 N 
145.

To make an object move you must first apply ---

a)

an opposing force

b)

an unbalanced force

c)

a stationary force

d)

a vertical force

146.

A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts --

a)

0 N of force

b)

less than 20 N of force

c)

20 N of force

d)

more than 20 N of force

147.

An object's change in position relative to a reference point.

a)

work

b)

force

c)

motion

d)

energy

148.

If the man and the ball travels 90 m in 9 seconds, what is their average speed?

a)

10 m/s

b)

180 m/s

c)

99 m/s

d)

10 meters

149.

This game of tug of war is an example of _________ forces.

a)

unbalanced

b)

balanced

c)

potential

d)

net zero

150.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

151.

What is the net force on the car?

a)

400 N forward (left)

b)

0 N (balanced forces)

c)

200 N forward (left)

d)

200 N backward (right)

152.

7. A car traveling at 90 kilometers/hour when it suddenly stops. The passengers in the car will

a)

continue to move in a straight line and will slide forward in the car.

b)

come to a stop at the same time the car stops

c)

be pushed against the door on the passenger side

d)

be pushed against the door on the driver's side

153.

Person on the left = 45 N

Person on the right = 32 N

What is the net force?

a)

zero N

b)

10 N

c)

77 N

d)

13 N

154.

Which scientist gave us the laws of motion?

a)

George Washington

b)

John Adams

c)

Sir Isaac Newton

155.

Starting point you choose to describe the location (or position) of an object.

a)

Reference Point

b)

Relative Motion

c)

Acceleration

d)

Dimension

156.

Overall force acting on an object when all of the forces on it are combined.

a)

Balanced force

b)

Contact force

c)

Net force

d)

Force

157.

What is the speed formula?

a)

d = s*t

b)

s= time/distance

c)

d= speed/time

d)

s = distance/time

158.

What units is Force measured in?

a)

Grams

b)

Miles

c)

Hours

d)

Newtons

159.

If forces are in the same direction you add all forces together and if they are in opposite directions you will subtract the smaller force from the larger force.

a)

True

b)

False

160.

What type of forces cause objects to move?

a)

balanced forces

b)

unbalanced forces

161.
Two girls are pulling on opposite ends of a thick rope. Both girls pull on the rope with the same force but in opposite directions. If both girls continue to pull with the same force, what will most likely happen? 
a)
One girl will pull the other toward her.
b)
Both girls will stay in the same place. 
c)
Gravity will cause the rope to sag. 
d)
The rope will break.
162.
If no force is being applied to a stationary object, the object will...
a)
remain stationary.
b)
accelerate in the direction of the force.
c)
move at a constant speed in the direction of the force.
d)
accelerate in the opposite direction of the force
163.
 If an unbalanced force acts on a stationary object, the object will:.
a)
remain stationary
b)
move away from the force
c)
accelerate in the direction of the force
d)
accelerate in the opposite direction of the force
164.

Examine the image of the forces acting on a cart. Which additional force can be applied to make the cart move in the opposite direction? (Think carefully about each option!!!)

a)

60 N towards the west

b)

40 N towards the west

c)

40 N towards the east

d)

60 N towards the east

165.

A student walks along a sidewalk on his way to school. What is true about this scenario?

a)

The Earth exerts a greater force on the student than the student exerts on the Earth.

b)

The Earth exerts a force on the student, but the student exerts no force on the Earth.

c)

The Earth and the student both exert equal forces on each other.

d)

The Earth exerts no force on the student, but the student exerts a force on the Earth.

166.

If Bob pushes a box north with 40 N of force and Bill helps by pulling the box north with 20 N of force, what is the net force acting on the box?

a)

20 N

b)

60 N

167.

A student performs an investigation by following a procedure, as shown.


The student observes that the card quickly moves out from under the coin, and the coin falls into the cup rather than moving along with the card, as shown.


Which statement explains the observation?

a)

Inertia causes an object to fall to the ground.

b)

An object at rest has the tendency to remain at rest.

c)

Inertia causes an object to change its speed and direction.

d)

An object maintains its position regardless of the force applied to it.

168.

Acceleration is the rate at which velocity changes.

a)

True

b)

False

169.

Which of the following causes people in a moving car to continue moving forward, even when the car stops?

a)

inertia

b)

gravity

c)

friction

d)

tension

170.

A student applies forces to a cart. Which model accurately shows a cart that will remain stationary?

a)
b)
c)
d)
171.

Which of the following is an example of unbalanced forces?

a)

a soccer ball sitting on a field.

b)

a hanger hanging on a rod

c)

a ball thrown up that comes back down.

d)

a parked bus.

172.

A force that occurs when two objects do not physically touch each other

a)

Contact Force

b)

Non-Contact Force

173.

A force that occurs when two objects physically touch each other

a)

Contact Force

b)

Non-Contact Force

174.

If an equal force acts on each of the following objects, which will have the greatest acceleration?

a)

a golf ball (46 g)

b)

a soccer ball (400 g)

c)

a football (450 g)

d)

a baseball (140 g)

175.

Which of the following objects will experience the least gravitational force?

a)

a feather

b)

a stone

c)

a book

d)

a metal ball

176.

If two arm wrestlers exert a force on each other's hands, and the hands don't move, the forces moust be _______________.

a)

balanced

b)

unbalanced

c)

weak

d)

strong

177.

According to the third law of motion, for every action there is ..........

a)

a force sending is backward

b)

an equal and opposite reaction

c)

a greater force pushing on it

d)

a movement in all directions

178.

True or False: Newton’s 2nd Law of motion states that if net force is used on an object, acceleration will happen

a)

True

b)

False

179.

A car is moving at 10m/s, it is using a force of 2730N. What is its mass?

a)

273 kg

b)

27300 kg

c)

0.0036 kg

d)

None of these are correct

180.

What happens when you kick a ball?

a)

The ball exerts a force back to you

b)

The ball doesn't move

c)

Your foot exerts a force on a ball

181.

What type of force is gravity?

a)

A contact force

b)

A non-contact force

c)

A mechanical force

d)

An electromagnetic force

182.

What is inertia?

a)

The tendency of an object to resist changes in its motion

b)

The speed of an object in motion

c)

The force that pulls objects to the ground

d)

The force that moves objects in a circular path

183.

When mass is 1600kg and acceleration is 5m/s2, what is force?

a)

8000 N

b)

320 N

c)

0.003 N

184.

The smaller the mass you have, the (a)   force you need to change its motion.

185.

When mass is 10 kg and acceleration is 2 m/s2, what is force? HINT: F = ma

a)

20 N

b)

0.2 N

c)

5 N

186.

The equation for Newton’s 2nd Law is

a)
F=MA
b)

M = F/A

c)

A = F/M

d)

M = A/F

187.

True or False: Newton’s 2nd Law of motion states that if net force is used on an object, acceleration will happen

a)

True

b)

False

188.

Every action has an equal, but opposite reaction

a)

Newton’s 1st Law of Motion

b)

Newton’s 2nd Law of Motion

c)

The Law of Inertia

d)

Newton’s 3rd Law of Motion

189.

What will have more force?

Mr. Foster dropped all of these things from the same height at the same time.

a)

a marble

b)

a baseball

c)

a bowling ball

d)

a beach ball

190.

What does letter A represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

191.

What does letter C represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

192.

What does letter D represent

a)

object providing force

b)

unbalanced force

c)

gravity

d)

friction

193.
If there are two forces going in the SAME direction, you would ...?
a)
(-) Subtract the forces
b)
(+) Add the forces
c)
Neither
d)
(x) Multiply
194.
How much force is needed to accelerate a 25kg bowling ball at 2m/s2. 
a)
50N
b)
5N
c)
12.5N
d)
100N
195.

A 50 kg skater pushed by a friend accelerates 5 m/sec2.  How much force did the friend apply?

a)
45 N
b)
15 N 
c)
10 N
d)
250 N
196.

The classes are playing tug of war. Ms. Knight's room pulls to the left with a force of 45 N. Mr. Foster's room pulls to the right with a force of 50 N. What is the net force? And who won?

a)

5N right. Foster's Class won.

b)

5N Left. Knight's class won. 

c)

95N and Foster's class won. 

d)

95N and Knight's class won.

197.
If a 10 kg object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
198.
If you increase the force on an object, its acceleration? 
a)
decreases
b)
stays the same
c)
also increases
d)
stops
199.
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/s2?
a)
102.04 N
b)
9,800 N
c)
980 N
d)
103 N
200.

Check all the options that have an unbalanced force.

a)

A plate sitting on the table.

b)

A person rocking back & forth in a rocking chair.

c)

A ball accelerating down a ramp.

d)

A train traveling at a steady 40 mph.

e)

Leaning against a wall.

201.

How would you solve for the acceleration of a 20 kg box being moved with 50 N?

a)

50N x 20 kg

b)

20 kg / 50N

c)

20 kg + 50N

d)

50N / 20 kg

202.

What is the net force being applied to the crate?

a)

10 N to the left

b)

70 N to the left

c)

10 N to the right

d)

70 N to the right

203.

Check all the examples that demonstrate Newton's 1st Law of Inertia.

a)
b)
c)
d)
204.

How fast would this box be accelerating and in which direction? (Look at the units to decide how to solve)

a)

.67 m/s2 to the left

b)

.67 m/s2 to the right

c)

3.33 m/s2 to the right

d)

3.33 m/s2 to the left

205.

Which law is this demonstrating?

a)

3rd law because they move in opposite directions with the same force.

b)

1st law because the cannon moves slower due to having more mass.

c)

2nd law because the cannon doesn't move until an unbalanced force is applied.

d)

4th law because cannons go boom.

206.

A 9 kg ball is rolling 6 m/s2, so the force applied is ___________ Newtons.

a)
54
b)

1.5 N

c)

0.67 N

207.

A 4.5 kg tuba is being carried with 18 N so it is accelerating at a rate of ___________ m/s2.

a)

4

b)

81

c)

0.25

208.

A student does an experiment to test Newton's 2nd Law. The student measures the acceleration of each ball after applying 20 N to them. Which ball had the greatest acceleration?

a)

.001 kg

b)

4.8 kg

c)

1.2 kg

d)

2.1 kg

209.

Select what can happen when an unbalanced force is applied.

a)

Increase speed

b)

Stay still

c)

Maintain the same speed

d)

Decrease speed

e)

Change direction

210.

A truck and a car are both broke down on Eagle Parkway. Which one would require the least amount of force to push out of the way and why?

a)

The car, because it has less mass

b)

The car, because it has smaller tires

c)

The truck, because it has more mass

d)

The truck, because it has bigger tires

211.

Which of the following are an example of Newton's 3rd Law of Action-Reaction?

a)

jumping forward off a skateboard that then goes backward

b)

a bowling ball requires more force to throw than a basketball

c)

a rocket taking off by pushing down on Earth to go up

d)

bus riders moving forward in the seat after the bus stops suddenly

212.

What is the mass of a go-cart that is accelerating at 12 m/s2 after being moved by a force of 84 N?

a)

72 kg

b)

7 kg

c)

1008 kg

d)

0.14 kg

213.

A tennis player hits a .04 kg ball so that it accelerates at 80 m/s2. How much force was used to hit the ball?

a)

3.2 N

b)

2000 N

c)

80 N

d)

.0005 N

214.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
215.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

216.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

217.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
218.

A person’s body is thrown outward as a car rounds a curve on a highway.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

219.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
220.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
221.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
222.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
223.

What is Newton's 2nd Law?

a)

For every action there is an equal and opposite reaction.

b)

Acceleration depends on two variables, the mass of the object and the amount of force.

224.

The picture shows a spinning water sprinkler.

Water comes through the hose and is sprayed by the sprinkler.

Which principle best explains why the sprinkler spins?

a)

Energy is released when water condenses.

b)

Most substances expand when heated and contract when cooled.

c)

Every action has an equal and opposite reaction.

d)

Solid substances are usually more dense than liquid.

225.

The picture shows a weightlifter holding the barbell over his head.

The force of gravity pulling down on the barbell is 756 newtons.

How many newtons of force are exerted by the weightlifter to hold the barbell up?

a)

No Newtons

b)

756 Newtons

c)

368 Newtons

d)

14767 Newtons

226.

An inflated balloon released from rest moves horizontally.

The law that best explains this event is

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Law of Gravity

227.

The diagram below shows unequal opposing forces.

Which way will the wagon move?

a)

The cart will move to the right.

b)

The wagon will move to the left.

c)

The wagon will remain stationary.

d)

The wagon will move left and then right and then stop.

228.

Lemonade, coke, and salt water are all examples of _________.

a)

Solutions

b)

Mixtures

c)

Pure Substances

d)

Factors of solubility

229.

A combination of substances that dissolve into one another--they are evenly mixed so that individual parts cannot be seen or separated.

a)

solutions

b)

mixtures

c)

observations

230.

Is Trailmix an example of a Mixture?

a)

Yes

b)

No

231.

Are these Jellybeans an example of a Mixture?

a)

Yes

b)

No

232.

How can we separate a solution?

a)

By freezing it

b)

Melting it.

c)

By heating it so that the solution evaporates.

d)

We can't.

233.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
234.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
235.
a)

solvent

b)

solute

236.
a)

solvent

b)

solute

237.

The water and oil separate from each other.

Is this an example of a Solution?

a)

Yes

b)

No

238.

This type of mixture has large enough particles that you can see the different types of particles.

a)

Homogeneous

b)

Heterogeneous

c)

Colloid

d)

Solution

239.

A colloid mixture does not have particles large enough to settle to the bottom, but they are large enough to

a)

be filtered out of the solution.

b)

be pulled out by hand.

c)

float to the top.

d)

scatter light waves.

240.

A mixture with such small particles that you cannot see the individual particles.

a)

Suspension

b)

Sublimation

c)

Heterogeneous

d)

Homogeneous

241.

This word means "the same throughout".

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

c)

Suspension Mixture

d)

Compound Mixture

242.

This words means "different throughout".

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

c)

Colloid Solution

d)

Compound Mixture

243.

Which of the following examples is a Heterogeneous mixture?

a)

Tap Water

b)

Beach Sand

c)

Vanilla Cake Mix

d)

Bottle of Cola

244.

Which of the following examples is a Homogeneous mixture?

a)

Tap Water

b)

Beach Sand

c)

Chocolate chip cookie

d)

Mud water

245.

Which of the following examples is a Suspension?

a)

Mud water

b)

Well water

c)

milk

d)

Fog

246.

What is it called when a mixture like muddy water is left alone and the particles settle to the bottom of the mixture?

a)

Suspension

b)

Colloid

c)

Homogeneous mixture

d)

Evaporation

247.

What type of solution would kool-aid be?

a)

Homogeneous

b)

heterogeneous

c)

The solution to all of our problems

d)

Neither

248.

What does this picture represent?

a)

Element

b)

Mixture

c)

Compound

249.

What does this picture represent?

a)

Element

b)

Compound

c)

Mixture

250.

What does this picture represent?

a)

Element

b)

Compound

c)

Mixture

251.

Is salt (NaCl) an element, compound, or mixture?

a)

Element

b)

Compound

c)

Mixture

252.
What are TWO descriptions or examples of an Exothermic reactions?
a)

Combustion

b)

Feels Cold

c)

Melting Ice

d)

Feels Hot

253.

What are TWO descriptions or examples of an endothermic reactions?

a)

Melting Ice

b)

Feels Hot

c)

Combustion

d)

Feels Cold

254.

The table shows the solubility of three different substances in water at the same temperature and pressure. Which of the substances would have the greatest mass dissolved in 100 grams of water at the point of saturation?

a)
Aluminum Chloride
b)
Silver Fluoride
c)
Potassium bromide
255.
What type of mixture is this?
a)
Homogeneous
b)
Hetrogeneous
256.
What type of mixture?
a)
Homegenous
b)
Hetrogeneous
257.

A pure substances ________ be broken down into simpler matter using physical methods.

a)

sometimes

b)

can

c)

can not

258.

Homogeneous mixtures are also called _______.

a)

Heterogenous mixtures

b)

Solutions

c)

Problem Solvers

d)

Water

259.

When we made popsicles, & added sugar to room temperature water until the sugar would no longer dissolved, what type of solution did we make?

a)

Dilute Solution

b)

Concentrated Solution

c)

Saturated Solution

d)

Supersaturated Solution

260.

When we added sugar to some warm water from the sink & were able to add more that what the room temperature could hold...what type of solution did we make?

a)

Dilute Solution

b)

Concentrated Solution

c)

Saturated Solution

d)

Supersaturated Solution

261.

A homogeneous mixture has ...

a)

components that are easily seen and sorted.

b)

components that are easily separated by settling filtration.

c)

components that do not separate or are spread out evenly throughout the mixture

d)

a concentration of solute in the mixture.

262.

In a mixture of grape juice, which of these ingredients would be the solvent?

a)

sugar

b)

water

c)

grapes

d)

flavors

263.

Solubility is ...

a)

whether it is a colloid or solution.

b)

how much solvent is in a solute.

c)

how the particles in a solution react to light.

d)

how much solute will dissolve in a solvent.

264.

Mixtures that do not blend smoothly throughout and the individual substances remain distinct

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

c)

Solution

d)

Miscible

265.

A heterogeneous mixture in which the particles will settle out if left undisturbed

a)

Colloids

b)

Suspensions

c)

Miscible

d)

Immiscible

266.

True or False. In a mixture the chemical properties of each substance are lost, and new chemical properties form

a)

True

b)

False

267.

Classify the following as either a heterogeneous or homogeneous mixture: Apple juice (no pulp)

(a)  

268.

A green powder is heated & a gas is given off while it turns to a black solid. This describes

a)

Physical Change

b)

Chemical Change

c)

Change in State

d)

Change in Temperature

269.

Which of the following could indicate that a chemical change took place?

a)

Change in color

b)

Production of Energy

c)

Formation of Gas

d)

All are correct

270.

The formation of a solid when two liquids combine is called?

a)

Solidification

b)

Freezing

c)

Precipitate

d)

Solubility

271.

The difference between a Physical change and a Chemical change is…

a)

Physical change is only a change to the outside appearance.

b)

Chemical change is when matter is changed into something new.

c)

Atoms are rearranged in chemical changes & not in physical.

d)

All are correct.

272.

What does a chemical change result in?

a)

A change in state of the substance (ex. liquid to solid)

b)

A change in texture of the substance.

c)

A change in the way atoms are bonded to each other.

d)

A change in the appearance of the substance.

273.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

274.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

275.

Identify what type of change happening in the picture below...

a)

Chemical Reaction

b)

Physical Change

c)

Change in State

d)

Change in appearance only

276.

If the chemical properties of a substance remain unchanged & the appearance or shape of an substance changes it is a...

a)

Chemical Change

b)

Physical Change

c)

Both a physical and chemical change.

d)

Neither a physical or chemical change.

277.

Which of the following is an example of a physical change?

a)

A glass falling and shattering on the floor.

b)

Baking a birthday cake.

c)

Burning a piece of paper.

d)

Baking soda and vinegar mixing together.

278.

When a new substance is formed with different properties than the original substance it is called a...

a)

Chemical change

b)

Physical change

c)

Change in State

d)

Change in appearance only.

279.

Which is not a clue that could indicate a chemical change has occurred?

a)

Change in color

b)

Change in shape

c)

Release of energy

d)

Formation of an odor

280.

During Chemical Reactions, the new substances created are called?

a)

Precipitate

b)

Corrosion

c)

Reactants

d)

Products

281.

During Chemical Reactions, the substances that are used are called?

a)

Precipitate

b)

Corrosion

c)

Reactants

d)

Products

282.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

283.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

284.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

285.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

286.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

287.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

288.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

289.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

290.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

291.

Is this an example of a physical or chemical change?

a)

physical

b)

change

292.

Which of the following is NOT a physical change?

a)

Crushing a can

b)

boiling water

c)

shredding paper

d)

burning paper

293.

Which of the following is NOT a sign of a chemical change?

a)

formation of a precipitate

b)

unexpected color change

c)

unexpected temperature change

d)

change in state of matter

294.

bubbles can be an indication that a reaction has happened and produced a gas, but not always. Which of the following scenarios involve bubbles resulting from a chemical change?

a)

Mixing vinegar and baking soda

b)

Pouring a glass of soda

c)

Boiling water

d)

All of these are examples of chemical change

295.

A chemical reaction ...

a)

forms a new substance

b)

makes a mixture of several substances

c)

always involves flames

d)

all of these choices are true

296.

Which of the following are clues that chemical change may have occurred?

a)

Color change

b)

Bubbles

c)

Pressence of an odor that wasn't there before

d)

All of these could indicate chemical change

297.

Why does the temperature change during a chemical reaction?

a)

Because we have to heat up the chemicals before they can react

b)

Because the reaction will release or absorb heat when bonds are broken, formed or rearranged

c)

Because all reactions produce flames, which are hot

d)

Because electrons keep changing energy levels

298.

Color change can indicate a chemical change, however, it could also be caused by a physical change. In which scenario is the color change caused by a chemical change?

a)

Paint is scraped off of an old cabinet changing the cabinet's color from green to brown

b)

Two clear solutions are mixed and a yellow solid forms

c)

Cream is added to black coffee changing the color to a light brown

d)

All of these are examples of chemical change

299.
Physical or Chemical Change?  Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
300.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
301.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
302.
Is mold growing on cheese a physical or chemical change?
a)
Physical 
b)
Chemical
303.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
304.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
305.
Is the formation of the grand canyon a physical or chemical change?
a)
Physical 
b)
Chemical
306.
Baking cupcakes
a)
Physical Change
b)
Chemical Change
307.
melting ice cream
a)
physical change
b)
chemical change
308.
mowing the lawn
a)
physical change
b)
chemical change
309.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

310.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
311.

When you break a cracker into pieces it is a...

a)

Chemical change

b)

Physical change

312.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
313.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
314.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
315.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released 
316.
Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?
a)
It is an exothermic reaction
b)
It is an endothermic reaction
317.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

318.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

319.
A catalyst works by
a)
changing the order of the reaction
b)
increasing the temperature
c)
lowering the activation energy
d)
making the activated complex
320.

Which type of reaction is shown by the graph?

a)

exothermic

b)

endothermic

c)

nuclear

d)

allergic

321.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
322.
When iron nails get rusty, heat is released.  What process is this?
a)
Exothermic
b)
Endothermic
323.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
324.

What would likely happen if you were to touch the flask in which an exothermic reaction was occurring?

a)

The flask would feel cooler

b)

The flask would feel warmer

c)

The flask would feel the same before and after a reaction

d)

None of the above

325.

What instrument would you use to detect an endothermic or exothermic reaction?

a)

triple beam balance

b)

ruler

c)

thermometer

326.
What is true of this reaction?
a)
Equal amounts of energy were released and absorbed
b)
The reaction released more energy than it absorbed
c)
The reaction absorbed more energy than it released
327.

What type of reaction is illustrated by the graph?

a)

exothermic

b)

endothermic

c)

nuclear

328.

Cold Pack

a)

Endothermic

b)

Exothermic

329.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

330.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
331.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
332.

5. When ammonium chloride dissolves in water the temperature falls. The type of energy change is described as?

a)

exothermic    

b)

activated  

c)

decomposition            

d)

endothermic

333.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

It is an exothermic reaction

b)

It is an endothermic reaction

334.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
335.

How many Aluminum atoms are in Al2O3?

a)
3
b)
2
c)
5
336.

The total number of atoms in Na₂CO₃

a)
1
b)
2
c)
3
d)
6
337.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
338.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
339.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
340.

Calculate the number of Oxygen atoms in Al(OH)3

a)

1

b)

2

c)

3

d)

4

341.

How many atoms are in 3Al₂(SO₄)₃

a)
4
b)
12
c)

51

d)

30

342.

Which choice matches the number of atoms for: 4CF2Cl2

a)

C = 4, F = 4, Cl = 2

b)

C = 1, F = 8, Cl = 8

c)

C = 4, F = 8, Cl = 8

d)

C = 1, F = 4, Cl = 8

343.
How many total atoms are in the compound C2H8O ?
a)
11
b)
2
c)
8
d)
1
344.

How many total atoms are in the compound CH4?

a)

5

b)

4

c)

6

d)

8

345.

Calculate the total atoms for: H2C2H3O2?

a)

1

b)

2

c)

9

d)

4

346.

A subscript will tell you the number of atoms of the element ___ it

a)

after

b)

before

347.

A subscript behind a set of parentheses belongs to

a)

the element right before it

b)

all the elements within the parentheses before it

c)

all the elements in the parenthese after it

d)

the element right after it

348.

How many atoms of carbon are in this compound?

2H2(C3O4N5)2

a)

3

b)

12

c)

6

d)

10

349.

What are the total number of atoms for:

H3O5(CaCl7)2

a)

15

b)

20

c)

24

d)

34

350.

How many total atoms in the following equation?

ClN6Fe2

a)

6

b)

8

c)

10

d)

9

351.

Identify the Coefficient.

3BeH5Si8

a)

5

b)

3

c)

1

d)

8

352.

Identify the subscripts.

4Fe5K2

a)

4

b)

5

c)

2

d)

1

353.

How many total atoms in the following equation?

3He2Ag5

a)

2

b)

21

c)

24

d)

5

354.

How many atoms of Hydrogen are in this equation?

5Cl2H5

a)

10

b)

2

c)

5

d)

25

355.

How many atoms of Iron in the following equation?

C2HAu5

a)

2

b)

0

c)

9

d)

7

356.

How many total atoms in the following equation?

2(H2)3

a)

2

b)

6

c)

7

d)

12

357.

How many Nitrogen atoms are in (NH₄)₂N2CrO₄?

a)

2

b)

4

c)

8

d)

16

358.

Which one is the coefficient 4H2O?

a)

4

b)

H

c)

2

d)

O

359.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
360.

How many atoms are in one formula unit of Zn(C2H3O2)2 ?

a)
15
b)

8

c)

5

d)

25

361.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
362.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
363.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
364.
Which of the following reactions is balanced?
a)
2CH4 + O2 -> CO2 + H2O
b)
CH4 + 2O2 -> CO2 + H2O
c)
CH4 + 2O2 -> CO2 + 2H2O
d)
None of the chemical equations are balanced.
365.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
366.
Balance this equation.
_CF4 + _Br2 -- _CBr4 + _F2
a)
2,1,2,1
b)
1,2,2,1
c)
1,2,1,2
d)
2,2,2,2
367.
Balance this equation.
_CH4 + _O2 --> _CO2 + _H2O
a)
1,2,1,1
b)
2,1,2,1
c)
1,2,1,2
d)
0,2,0,2
368.
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
a)
2, 6, 3, 2
b)
it is already balanced
c)
4, 12, 3, 4
d)
2, 1, 4, 5
369.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
370.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
371.
In chemical reactions, what does the principle of conservation of mass mean?
a)
Matter is not created or destroyed.
b)
The total mass of the reactants is greater than the total mass of the products.
c)
The total mass of the reactants is less than the total mass of the products.
d)
Matter is not changed.
372.

Which is the Law of Conservation of Matter?

a)

matter cannot be created or destroyed, it only rearranges

b)

matter can be created but it cannot be destroyed, it never rearranges

c)

matter can be destroyed but it cannot be created, it usually just rearranges

d)

matter is an unproven theory created by Hans Geiger

373.
Which number should go in the blank?
_ H2 + O2 -> 2 H2O
a)
1
b)
2
c)
3
d)
0
374.
Which number should go in the blank?
2 Na+ _ Cl2 -> 2 NaCl
a)
1
b)
2
c)
3
d)
0
375.
How many Oxygen (O) atoms are in 2C2HO8Cl2
a)
2
b)
16
c)
8
d)
5
376.

Identify the Reactants in this equation.

a)

A

b)

B

377.

The tendency for a material to oppose the flow of electrons is _____.

a)

current

b)

resistance

c)

conductor

d)

voltage

378.

Items with opposite charges _____ each other.

a)

attract

b)

repel

c)

move

d)

none of the above

379.

Items with like charges _____ each other.

a)

attract

b)

repel

c)

move

d)

none of the above

380.

Clothes clinging together and lightning are examples of _____.

a)

current electricity

b)

circuit electricity

c)

alternating electricity

d)

static electricity

381.

Resistance is measured in a unit called _____.

a)

ampere

b)

ohm

c)

volt

d)

coulomb

382.

Potential difference is measured in a unit called _____.

a)

ampere

b)

ohm

c)

volt

d)

coulomb

383.

Electric current is measured in a unit called _____.

a)

ampere

b)

ohm

c)

volt

d)

coulomb

384.

Is the symbol for _____.

a)

Light bulb

b)

Resistor

c)

Battery

d)

Switch

385.

Is the symbol for _____.

a)

Light bulb

b)

Resistor

c)

Battery

d)

Switch

386.

A good conductor is a material that does not allow electricity to flow through it.

a)

True

b)

False

387.

A battery is a source of alternating current.

a)

True

b)

False

388.

In a series circuit, all parts of the circuit are connected in a single path.

a)

True

b)

False

389.

Select the items needed to have a complete circuit.

a)

Energy source (battery)

b)

Wires

c)

Energy user (lightbulb)

d)

Voltmeter

e)

Switch

390.

Which of the following are examples of conductors?

a)

Copper

b)

Plastic

c)

Glass

d)

Aluminum foil

e)

Pencil lead

391.

Which of the following are examples of insulators?

a)

Copper

b)

Plastic

c)

Glass

d)

Aluminum foil

e)

Pencil lead

392.

Electricity that flows in only one direction is called _____.

a)

Alternating current (AC)

b)

Direct current (DC)

393.

Electricity that changes direction as it flows is called _____.

a)

Alternating current (AC)

b)

Direct current (DC)

394.
The only charges that can move from one object to another are___________ charges.
a)
electric
b)
neutral
c)
positive
d)
negative
395.

Which of the following charge pairs would repel each other? (Choose all that apply)

a)

positive and negative

b)

negative and negative

c)

positive and positive

d)

negative and positive

396.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
397.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
398.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
399.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Simple

400.
What type of circuit is pictured?
a)
series
b)
parallel
401.

In a series circuit, how is the brightness of a light bulb affected when another bulb is connected?

a)

It gets brighter

b)

It stays the same

c)

It gets dimmer

d)

It goes out

402.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
403.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
404.

Select the materials that are electrical conductors.

a)
b)
c)
d)
e)
405.

Select the materials that are electrical insulators.

a)
b)
c)
d)
e)
406.

The accumulation of excess electric charge on an object is called

a)

Static Electricity

b)

Electric Discharge

c)

Resistance

d)

Current Electricity

407.

Two balloons are hanging from a stick.

Both balloons have a positive charge.

How would you expect the balloons to move?

a)

there would be no movement

b)

towards each other

c)

away from each other

408.

Two balloons are hanging from a stick.

One balloon has a positive charge and the other has a negative charge.

How would you expect the balloons to move?

a)

there would be no movement

b)

towards each other

c)

away from each other

409.

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

a)

positive

b)

neutral

c)

negative

410.

An area over which an electric charge is exerted is called an

a)

conductor

b)

insulator

c)

circuit

d)

electric filed

411.

The comb has been rubbed with a piece of wool fabric and placed next to some scraps of paper.

Some paper moves toward the comb. The movement of the paper is caused by

a)

static electricity

b)

mechanical energy

c)

chemical energy

d)

magnetic attraction

412.

Materials that electrons do NOT flow through such as cloth, rubber, plastic

a)

conductors

b)

insulators

c)

chargers

d)

electrodes

413.

Materials through which electrons flow easily

a)

conductors

b)

insulators

c)

electrodes

d)

chargers

414.

A steady flow of electrons

a)

circuit

b)

current

c)

discharge

d)

oxidation

415.

A continuous conducting path for current.

a)

electrode

b)

circuit

c)

voltaic pile

d)

axon

416.

Electrons move towards the point of ________________ potential.

a)

higher

b)

lower

417.

When dealing with batteries, the negative side is the higher potential.

a)

True

b)

False

418.
A battery or other device which provides energy for a circuit
a)
Conductor
b)
Power source
c)
Parallel circuit
d)
Complete circuit
419.
a)
Series circuit
b)
Incomplete circuit
c)
Parallel circuit
d)
Power source
420.
a)
Power source
b)
Closed circuit
c)
Insulator
d)
Open circuit
421.
a)
Parallel circuit
b)
Series circuit
c)
Incomplete circuit
d)
Switch
422.

A region around a charged particle that can exert a force on another charged particle is called an

a)

electric force.

b)

electric pulse.

c)

electric field.

d)

electric charge.

423.

Charging by ____ occurs when electrons are transferred from one object to another by DIRECT contact.

a)

conduction

b)

induction

c)

friction

424.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
425.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
426.

The entire region surrounding a magnet is known as the:

a)

Magnetic Domain

b)

Lodestone

c)

A Compass

d)

Magnetic Field

427.

Which metal can be attracted to magnets?

a)

Copper

b)

Aluminum

c)

Iron

d)

Gold

428.
Where are the magnetic force the strongest in this picture?
a)
Location 1
b)
Location 2
c)
Location 3
d)
Location 4
429.

Which type of magnet loses magnetism outside of a magnetic field?

a)

a strong magnet

b)

a temporary magnet

c)

a permanent magnet

d)

an electromagnet

430.

Two like poles are held close to one another within each other's force field. Which statements are TRUE? SELECT ALL THAT APPLY.

a)

The poles will repel when released

b)

The poles will attract when released

c)

The poles have high PE before being released

d)

The poles have low PE before being released

431.

Magnetic field lines that are drawn closer to each other show ___.

a)

a decrease in polarity

b)

an increase polarity

c)

a smaller magnetic force

d)

a greater magnetic force

432.

Which answer describes the pictures correctly?

a)

Both drawings show attraction of magnetic forces.

b)

The left drawing shows repulsion and the right drawing shows attraction of magnetic forces.

c)

Both drawings show repulsion of magnetic forces.

d)

The left drawing shows attraction and the right drawing shows repulsion of magnetic forces.

433.
Electricity can be used to create a magnet
a)
True
b)
False
434.
A Magnet can be used to create electricity
a)
True
b)
False
435.
You can make an electromagnet stronger by...
a)
increasing the current through the wire
b)
make the iron core bigger
c)
increase the number of loops around the core
d)
All of these
436.

A magnetic field is a field of force that is produced by moving ________ charges.

a)

northern

b)

positive

c)

gravitational

d)

electric

437.

The magnetic ____________ around a bar magnet is shown above.

a)

legs

b)

flowers

c)

field

d)

direction

438.

The Earth produces its own ________ field.

a)

spectrum

b)

electric

c)

magnetic

d)

progressive

439.

A permanent magnet is a material that produces a ___________________ field without any ___________________ magnetic field being present.

a)

electronic, internal

b)

magnetic, internal

c)

magnetic, external

d)

electronic, external

440.

Every magnet has both a _________ pole and a __________ pole.

a)

North, South

b)

East, West

c)

Positive, Negative

d)

Positive, South

441.

Some objects that normally aren't magnetic can become magnetized when connected to a circuit. Items that are magnetized in this way are called ________.

a)

electromagnets

b)

electrons

c)

electrochromic devices

d)

permanent magnets

442.

Probably the most useful thing about electromagnets is that they can be turned ________ and ________.

a)

on, off

b)

positive, negative

c)

north, south

d)

on, negative

443.

If two magnets are close together, the magnetic force will be ________.

a)

smelly

b)

weak

c)

strong

d)

positive

444.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
445.
True or False: All metals are attracted to magnet.
a)
True
b)
False
446.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
447.
Why does a compass needle point north?
a)

The compass is a special tool made by elves that can always find Santa.

b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
448.

Their movement creates an electric current and causes each ___________to act like a microscopic magnet.

a)

proton

b)

neutron

c)

electron

d)

crouton

449.

Moving a magnet next to a wire causes ____________. 

a)

the wire to catch fire

b)

nonmetals to be repelled

c)

a gravity wave

d)

an electric current

450.

The Earth’s magnetic shield protect life from _____________. 

a)

gravity waves

b)

asteroid impacts

c)

aliens

d)

harmful solar radiation

451.

Are like poles or opposite poles facing each other?

a)

like

b)

opposite

452.

Which image has the most potential energy in the system of magnets?

a)

A

b)

B

c)

C

d)

D

453.

Which image has the most potential energy in the system of magnets?

a)

A

b)

B

c)

C

d)

D

454.

When the current stops running through the wire of an electromagnet, the magnetic field that is created

a)

will remain the same

b)

will end

c)

will increase in strength

d)

will stay forever

455.

Which of the following will not make an electromagnet stronger?

a)

a stronger current in the wire

b)

more loops of wire

c)

a switch

d)

wrapping the wire around an object made of iron

456.

A series circuit has ____ path(s) that the electric current can take.

a)

One

b)

Two

c)

More than one

457.

Electricity is the flow of _________.

a)

Protons

b)

Neutrons

c)

Electrons

458.
What kind of circuit is this?
a)
series
b)
parallel
459.

Which statement is true?

a)

Lights in the series circuit are brighter than the parallel.

b)

Lights in the parallel circuit are brighter than the series.

c)

Both circuits have the same brightness

d)

Neither circuit will light the bulbs

460.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
461.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
462.

What THREE ways are electromagnets different from permanent magnets?

a)

they can be turned off and on

b)

they can increase in strength by increasing the current in the wire

c)

they are smaller in size

d)

they can change which is the north and south pole

463.
What two forces are required for generators and electric motors to work? 
a)
magnetism and thermal 
b)
electricity and thermal 
c)
electricity and magnetism 
d)
magnetism and radiant 
464.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
465.

What is the transfer of energy in when you plug in a motor and it spins?

a)

chemical to mechanical

b)

electrical to mechanical

c)

mechanical to electrical

d)

physical to potential

466.

If one of the bulbs in the picture stops working, what will happen?

a)

All of the bulbs will stop working.

b)

The other 2 bulbs will continue to work.

c)

The other bulbs will become brighter.

467.
According to Ohm’s law, resistance is equal to voltage divided by
a)
time
b)
conduction
c)
current
d)
potential
468.
The unit of measure for voltage is the 
a)
Volt
b)
Amp
c)
Ohm
469.
The unit for resistance is the 
a)
ohm
b)
amp
c)
volt
d)
cenitmeter
470.
Electrical energy is transformed into mechanical energy in a................
a)
electric motor
b)
solenoid
c)
electromagnet
d)
transformer
471.

A device used to open and close a circuit

a)

Button

b)

Switch

c)

Operator

d)

All of the Above

472.

The region in which a magnetic force acts is called a

a)

line of force

b)

pole

c)

magnetic field

d)

field of attractio

473.

An example of a ferromagnetic material is

a)

copper

b)

wood

c)

cheese

d)

nickel

474.

A coiled wire, that carries current is called

a)

an electromagnet

b)

a solenoid

c)

a compass

d)

a ferromagnet

475.

Earth acts like a magnet because its core contains

a)

molton carbon

b)

solid nickel and iron

c)

rocks

d)

molten nickel and iron

476.

Conduction is the transfer of electric charges by

a)

interaction of electric fields

b)

direct contact

c)

rubbing

d)

jumping

477.

An example of static discharge would be

a)

using a compass

b)

an elecromagnet

c)

a lightning bolt

d)

rain

478.

Which position of the two magnets results in the greatest attraction between them?

a)

A

b)

B

c)

C

d)

D

479.

Charging by rubbing is called

a)

friction

b)

induction

c)

conduction

d)

polarization

480.

Current, or the flow of charge through a wire is measured in

a)

volts

b)

amps

c)

Joules

d)

Newtons

481.

This is a measure of electrical resistance

a)

Current

b)

Volt

c)

Ohms

d)

Ampere

482.

Students attached both ends of a long wire to the poles of a battery and wrapped the wire around a spoon. In this arrangement, the spoon is able to pick up five paper clips. The students wrap more wire around the spoon and want to determine if the strength of the magnetic force has increased. Which of the following observations would indicate that wrapping more wire has increased the strength of the electromagnet?

a)

More wire was needed to wrap around the spoon.

b)

The spoon now picks up seven paper clips.

c)

Eventually, the battery runs out of energy.

d)

The ends of the wire must touch the battery's poles.

483.

Students want to investigate how the amount of electric energy delivered to a motor affects its speed. Which of the following procedures will most likely produce the data students need to answer their question?

a)

Measure the rotations per second of a motor when it is connected to one battery, two batteries, and three batteries.

b)

Add larger and larger motors to a battery to determine the size of the largest motor the battery is able to run

c)

Closely observe the rotation of the motor to see if the direction of spin reverses when the poles of the battery are switched

d)

Connect a series of motors to the same battery to figure out how many motors can be run off the same battery.

484.

The illustration shows a hand generator. Turning the handle of the generator spins a magnet and creates an electric current that lights the bulb. Which of the following observations can be used to indicate the strength of the current created by the generator?

a)

The brightness of the bulb

b)

The size of the magnet

c)

The length of the handle

d)

The mass of the generator

485.

What is a current?

a)

A directional flow of electrical charge through an object or medium

b)

Attraction or repulsion that arises between electrically charged particles because of their motion

c)

The size or quantity of something

d)

Attractive or repulsive interactions between any two charged objects

486.

Peter’s teacher tells him that he should not place his electric stereo near the edge of a pool because the water in the pool is a conductor. What does she mean when she says that the water is a conductor?

a)

Water is a type of electrical energy.

b)

Water damages electric circuits.

c)

Electric charges cannot flow without water.

d)

Electric charges move through the water in the pool.

487.

When Bethany walks across a carpet, her socks pick up many negative electric charges. Later in the day, these negative charges are no longer present on her socks. What most likely happened to the negative charges?

a)

The charges disappeared.

b)

The charges transferred to another object.

c)

The charges switched from negative to positive.

d)

The charges broke apart into smaller positive and negative particles.

488.

Current flows from ____potential energy to ____ potential energy.

a)

lower, higher

b)

higher, lower

c)

girl here who

d)

glow her her I

489.

_____ do not allow charge/current to flow.

a)

Coconut Drs

b)

Insulators

c)

Insult oars

d)

Conductors

490.

_____ allow the charge/current to flow.

a)

Coconut Drs

b)

Insulators

c)

Latin sours

d)

Conductors

491.
What essential part of an electric circuit is missing in this picture where the "X" is?
a)
on/off switch
b)
source of energy (electric current)
c)
wires
d)
electrical device
492.
What device is used to create electricity?
a)
resistor
b)
insulator
c)
voltmeter
d)
generator
493.
If all batteries are the same which circuit will have the brightest light bulbs?
a)
A
b)
B
c)
C
d)
D
494.
Which bulb will light?
a)
A
b)
B
c)
C
d)
D
495.
What type of circuit is this?
a)
Series
b)
Open
c)
Parallel
d)
Alternating
496.
Laundry in a clothes dryer often become charged with static electricity while drying. Which of these best explains why a clothes dryer often generates static electricity?
a)
heat from the dryer charges the air and produces lightning
b)

electrons are transferred as clothes rub against each other in the dryer
c)
short circuits in the dryer charge the laundry
d)
clothes with metal pieces conduct electricity in the dryer
497.
Which of the following is an example of static electricity?
a)
a balloon sticking to a wall after it is rubbed with a piece of wool
b)

a magnet sticking to a metal refrigerator door
c)

a ceiling fan turning on after you flip the wall switch
d)

a dry cell battery lighting up a light bulb
498.

This circuit is...

a)

Series

b)

Parallel

499.

If one of the bulbs in this circuit breaks, the other one will...

a)

Go off

b)

Stay on

500.

Mr. Foster's favorite color:

(a)