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Final Exam Review

Total questions: 100

Worksheet time: 2hrs 52mins

Name
Class
Date
1.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
2.
__________ energy is the energy due to an object's position or condition
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
3.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
4.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
both
d)
neither
5.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
6.
Which point has the most potential energy?
a)
D
b)
F
c)
B
d)
A
7.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
8.
When a pendulum swings, at which point is potential energy at its greatest? (assume there is no friction)
a)
1 and 5
b)
2 and 4
c)
3 
d)
4 and 5
9.

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

a)

1457 Joules

b)

22,584 Joules

c)

15 Joules

d)

45,167Joules

10.

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

a)

Something Mr. Lance likes to say.

b)

Life

c)

Law of Conservation of Energy

d)

The scientific method

e)

Newton's Third Law

11.
The SI unit in which kinetic energy is measured is 
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second
12.
How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
13.

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

a)

height and mass

b)

friction and movement

c)

mass and movement

d)

height and friction

14.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

15.

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s2

a)

9.8 Joules

b)

1.0 Joule

c)

0.10 Joule

d)

11.8 m/s2

16.
Waves move ___ through vibrations
a)
Energy
b)
Matter
c)
Mass
d)
Weight
17.
Which is the wavelength?
a)
1
b)
2
c)
3
d)
4
18.
The loudness of the sound depends on
a)
wavelength
b)
amplitude
c)
frequency
19.
Which color has the lowest frequency?
a)
red
b)
green
c)
blue
d)
violet
20.

The highest point on a wave is:

a)

the crest

b)

the trough

c)

the top

d)

the coast

21.

Which letter(s) represent the trough of the wave?

a)

A

b)

B & D

c)

D

d)

C & G

22.

Mechanical waves usually travel fastest through:

a)

solids

b)

liquids

c)

gases

23.

When light passes through a prism, why do you see different colors?

a)

Each color has a different wavelength, so they all bend at different angles

b)

Because Stone Cold said so

c)

Because the prism is magical and allows you see the colors

d)
24.
What is frequency?
a)
waves
b)
distance between equilibrium to crest
c)
hand motion
d)
The number of wave cycles completed in one second
25.
Low Amplitude = ______________
a)
Quieter Sounds
b)
Louder sounds
26.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
27.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
28.
A mechanical wave cannot travel through...
a)
a vacuum(empty space).
b)
water.
c)
air. 
d)
glass.
29.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
30.
which material does sound travel the fastest?
a)
solid 
b)
liquid 
c)
gases
31.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
32.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
33.

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

34.

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

35.

V=fλV=f\lambda  
If the velocity of the wave is 10 m/s and the frequency is 5 Hz, then what is the wavelength?

a)

2 m

b)

50 m

c)

5 m 

d)

15 m

36.

Which color has the longest waves?

a)

red

b)

orange

c)

yellow

d)

green

37.

Which color has the shortest wavelengths?

a)

yellow

b)

green

c)

blue

d)

indigo

38.

The portion of the electromagnetic spectrum that humans can see is called:

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

39.

When wavelength increases...

a)

energy decreases

b)

energy increases

40.

Which type of electromagnetic energy carries the least energy?

a)

X-Rays

b)

Visible Light

c)

Ultraviolet

d)

Microwaves

41.

We perceive various wavelengths within the visible light spectrum as:

a)

sound

b)

color

c)

time

d)

smell

42.

Which of the following is a unit for frequency?

a)

Joules

b)

Hertz

c)

meters per second

d)

seconds

43.

If you see an object that is "red", what does this mean?

a)

The object is absorbing only red wavelengths

b)

The object is reflecting only red wavelengths

44.

What are the parts of a longitudinal wave? SELECT TWO from the choices below

a)

compression

b)

crest

c)

expansion

d)

trough

45.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infrared, Visible light, Ultraviolet, X-ray, Gamma

b)

Gamma, X-ray, Ultraviolet, Visible light, Infrared, Micro, Radio

c)

Visible light, Micro, Infrared, Ultraviolet, X-ray, Gamma, Radio

d)

Micro, Radio, Visible light, Infrared, Ultraviolet, X-ray, Gamma

46.

The areas of "expansion" between compressions of a longitudinal wave are called ________________.

a)

stretches

b)

reflection

c)

rarefaction

d)

frequency

47.
Which of the following is NOT an electromagnetic wave?
a)
Sound
b)
Gamma Wave
c)
Microwave
d)
Visible light
48.

Which type of electromagnetic radiation has the most energy?

a)

x rays

b)

gamma rays

c)

radio waves

d)

visible light

49.

Which is true according to the Law of Reflection?

a)

if light is not refracted, it is reflected

b)

parallel rays of light remain parallel when they are reflected

c)

the angle of reflection is twice the angle of incidence

d)

the angle of incidence equals the angle of reflection

50.

Which word best describes gamma rays?

a)

weak

b)

destructive

c)

visible

d)

harmless

51.

What is the source of a sound wave?

a)

Electricity

b)

Vibration

c)

Light waves

d)

Tiny nuclear explosions

52.

Longitudinal waves are comprised of:

a)

compressions and rarefactions

b)

crests and troughs

c)

honey and vinegar

d)

waves and matter

53.

The pitch of a sound depends on its:

a)

frequency

b)

amplitude

c)

intensity

d)

loudness

54.

The higher the frequency, the ____________ the wavelength.

a)

longer

b)

shorter

c)

taller

d)

bolder

55.

A push or pull on matter from all directions is called . . .

a)

speed

b)

velocity

c)

acceleration

d)

force

56.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
57.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
58.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
59.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
60.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
61.
A type of friction that acts on objects that are not moving. 
a)
static
b)
rolling
c)
sliding
62.
Which has more Inertia? (so need more force to move) 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
63.
Any change in an objects speed or direction
a)
Inertia
b)
Force
c)
Acceleration
d)
Reaction
64.

Which baseball would have more acceleration with the same amount of force?

a)

Both baseballs would have the same acceleration

b)

The larger ball would have a faster acceleration.

c)

The larger ball would have a slower acceleration.

d)

Neither ball would have any acceleration.

65.

What happened between the 12th and 14th hour of the trip?

a)

The car turned around to go home but their speed remained constant.

b)

The car slowed down and sped back up

c)

The car travelled at a constant velocity

d)

The car was not moving since there was no change in position

66.

With no forces acted upon it, an object at rest will stay at rest and an object in motion will stay in motion

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

67.

The acceleration of an object depends on the net force and acting on it and the mass of the object. F = ma

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

68.

For every action there is a reaction.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

69.

What type of force will it take to stop an object in motion?

a)

Balanced

b)

Magnetic

c)

Gravitational

d)

Unbalanced

70.

Eli and Lacy each have soccer balls with the same mass. They both roll them as hard as they can and then measure the speed of each ball. Lacy rolls her ball exactly half as fast as Eli. What can you assume about the motion of the two balls?

a)

Lacy's ball rolls twice as fast as Eli's ball.

b)

Eli's ball rolls twice as fast as Lacy's ball.

c)

Both balls roll the same speed.

d)

Without knowing the mass we don't know the force.

71.

What is acceleration?

a)

How fast an object speeds up

b)

How fast an object slows down

c)

Tells us which way to move

72.

What is velocity?

a)

The speed of an object

b)

The direction of an object

c)

The speed and direction of an object

73.

Velocity is different from speed because...

a)

Velocity is distance/time. Speed is displacement/time.

b)

Velocity is speed in a certain direction and can be positive or negative.

c)

Speed is velocity in a certain direction. Both can only be positive.

d)

Velocity is how much speed changes over time.

74.

An elevator moves from rest to 2 m/s over 8 seconds. What is the elevator's acceleration?

a)

16 m/s2

b)

-8 m/s2

c)

0.25 m/s2

d)

2 m/s2

75.

A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?

a)

60 m/s2

b)

6.67 m/s2

c)

0.15 m/s2

d)

30 m/s2

76.

The clown walked 27 feet in 9 seconds. what was his velocity?

a)

18 feet/sec

b)

243 feet/sec

c)

36 feet/sec

d)

3 feet/sec

77.

An old lady rolls down a hill at 3 meters/second. The hill is 36 meters long. How many seconds does it take the old lady to reach the bottom of the hill?

a)

39 seconds

b)

12 seconds

c)

15 seconds

d)

33 seconds

78.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
79.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
80.
The SI unit for acceleration is
a)
mph
b)
m/s
c)
m/s2
81.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity 
d)
displacement 
82.

Distance and direction of an object's change in position from a starting point

a)

displacement

b)

distance

c)

motion

d)

reference point

83.

Items with opposite charges _____ each other.

a)

attract

b)

repel

c)

move

d)

none of the above

84.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
85.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
86.
When forming an ionic bond, a metal atom
a)
Gains electrons to form a cation
b)
Loses electrons to form a cation
c)
Gains electrons to form an anion
d)
Loses electrons to form an anion
87.
An ionic bond forms when 
a)
Valence electrons are shared
b)
a sea of mobile electrons surround the cations
c)
valence electrons are transferred between atoms
d)
none of the above
88.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
89.

A covalent bond in which electrons are shared unequally is

a)

polar.

b)

polyatomic.

c)

ionic.

d)

a double bond.

90.

In a nonpolar covalent bond, electrons are shared:

a)

equally

b)

unequally

c)

between two metals

d)

between a metal and a non-metal

91.

Which of the following substances contains bonds that involve a transfer of electrons from one atom to another?

a)

CO2

b)

NH3

c)

KBr

d)

Cl2

92.

What do we call the outermost electrons of an atom used in forming chemical bonds?

a)

Neutrons

b)

Ions

c)

energy levels

d)

Valence electrons

93.

Which substance contains bonds that involve a sharing of electrons from one atom to another?

a)

CuO

b)

PO33-

c)

KBr

d)

FeCl2

94.
Bromine monoflouride
a)
Br1F1
b)
BrF
c)
Br2F
d)
BrF2
95.
Disulfur trioxide
a)
S3O2
b)
SO
c)
S2O3
d)
S2O
96.
P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
97.
SeF4
a)
Tetraselenium fluoride
b)
Selenium Fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) Fluoride
98.

What is the chemical formula for dinitrogen heptachloride?

a)

N2Cl7

b)

2N7Cl

c)

2NCl7

d)

N2Cl5

99.

BeI2

a)

Beryllium (II) iodide

b)

Beryllium iodine

c)

Beryllium iodide

d)

Beryllium (I) iodide

100.

When lithium and oxygen bond the formula is

a)

LiO

b)

OiL

c)

Li2O

d)

LiO2

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