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Semester II Final Study Guide

Total questions: 119

Worksheet time: 3hrs 36mins

Name
Class
Date
1.

The force that causes objects with mass to attract one another.

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism

2.

The gravitational attraction between two objects would increase if both masses are –

a)

increased, and the distance between them is increased.

b)

increased, and the distance between them is decreased.

c)

decreased, and the distance between them is decreased.

d)

decreased, and the distance between them is increased.

3.

Why do planets orbit the Sun?

a)

The Sun is the only celestial object that has a gravitational pull.

b)

The Sun’s chemical composition makes it attract planets.

c)

Only celestial bodies that emit light, like the Sun, can be at the center of an orbit.

d)

The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull.

4.

Gravity can be defined as the –

a)

force of attraction between two or more masses.

b)

friction created when two objects are in contact.

c)

energy given off by stars due to nuclear reactions.

d)

path an object follows as it moves through space.

5.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
6.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
7.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
8.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
9.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
10.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
11.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

12.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
13.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
14.

The more mass an object has, the _______ force it takes to accelerate it.

a)

more

b)

less

15.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
16.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
17.

There is ______ friction on a smooth surface.

a)

more

b)

less

c)

no

d)

lots of

18.

When is having less friction useful?

a)

walking

b)

driving

c)

ice skating

d)

climbing

19.

Friction is a type of force. True or False?

a)

True

b)

False

20.

Friction occurs when two surfaces rub against one another. True or False

a)

True

b)

False

21.

If a 10 kilogram object accelerates suddenly at 15 m/s2, what is the resultant force?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

22.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
23.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
24.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
25.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? To solve this problem you must do - 
a)
132 ÷ 2
b)
2 ÷ 132
c)
132 x 2
26.

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

a)

False

b)

True

27.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
28.

The equation to calculate momentum is

a)

p = m x v

b)

p = 1/2 m x v2

c)

p = m x g x h

d)

p = m x g

29.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
30.

What is the unit for momentum?

a)

m/sec

b)

kg/sec

c)

kg/m

d)

kg x m/sec

31.
Distance and direction of an object's change in position from a starting point
a)
displacement
b)
distance
c)
motion
d)
reference point
32.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
33.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
34.

Jerry walked from home to school, then from the school to the park. What is his total distance?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

35.

Jerry walked from home to school, then from the school to the park. What is his total displacement?

a)

2 km E

b)

5 km N

c)

8 km S

d)

10 km W

36.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)

82 meters N

b)

18 meters N

c)

18 meters S

d)

82 meters S

37.

A car drives 84 meters forward.  It's displacement and distance would be the same magnitude.

a)

True

b)

False

38.

A place or object (like a stop sign or mailbox) used for comparison to determine if another object is in motion is called a

a)

comparison point

b)

frame of reference

c)

point of view

d)

motion detector

39.
The unit for distance is:
a)
m
b)
s
c)
m/s
40.
After completing one trip on a roller coaster, the roller coaster's ________ is zero.
a)
displacement
b)
reference point
c)
length
d)
distance
41.

Relative motion

a)

the motion of an object in comparison to other objects in a specific frame of reference

b)

the point of view used to measure the position and movement of objects

c)

how fast something moves

d)

the distance

42.

The best reference points are stationary (not moving).

a)

true

b)

false

43.

If you walk to your friends house 500 meters down the street. What is the DISTANCE you have traveled?

a)

500 meters

b)

1000 meters

c)

250 meters

d)

0 meters

44.

Click on image to make it bigger.

a)

A

b)

B

c)

C

d)

D

45.

You go on a hike on the blue path from point A to point B. (Click on image to make it larger)


What DISTANCE did you travel?

a)

4.6 km

b)

9.2 km

c)

10.3 km

d)

0 km

46.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
47.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Deacceleration
d)
Not moving
48.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
49.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
50.

Kendra is walking home and her house is 200 m away. It takes her 20 seconds to get home. What was her speed?

a)

400 m/s

b)

200 m/s

c)

25 m/s

d)

10 m/s

51.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
52.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
53.
Why does a car accelerate as it round a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up  
54.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
55.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
56.
The SI unit for acceleration is
a)
mph
b)
ft/sec2
c)
m/s2
57.
When are you undergoing an acceleration in a car? 
a)
speed up
b)
slow down
c)
make turns
d)
All of the above 
58.
A negative acceleration means that your object is _____. 
a)
not accelerating
b)
not moving
c)
speeding up 
d)
slowing down 
59.

The graph shows

a)

positive velocity that's getting faster

b)

negative velocity that's getting faster

c)

negative velocity that's getting slower

d)

positive velocity that's getting slower

60.
A marble rolling at 10 m/s slows to 2 m/s in 16 seconds. What is the acceleration of the marble?
a)
0.5 m/s2
b)
2 m/s2
c)
-0.5 m/s2
d)
-2 m/s2
61.

Which of the following conversions is illustrated with a solar powered car?

a)

radiant (light) to electrical

b)

radiant (light) to mechanical

c)

mechanical to radiant (light)

d)

electrical to mechanical

62.

As a soccer ball is kicked high into the air, it

a)

loses kinetic energy and loses potential energy.

b)

loses kinetic energy and gains potential energy.

c)

gains kinetic energy and gains potential energy.

d)

gains kinetic energy and loses potential energy.

63.

The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is

a)

at the top.

b)

at the bottom.

c)

at the exact middle of the ramp

d)

stored equally within the box at all locations.

64.

Our bodies convert chemical energy into

a)

light energy.

b)

radiant energy.

c)

mechanical energy.

d)

thermal energy.

65.

Which statement is an inference that could be made about a swinging pendulum?

a)

The pendulum will swing for a minute before it stops.

b)

The pendulum swings slowly because the string is long.

c)

The pendulum string is 30 cm long.

d)

The pendulum string is thick.

66.

Which of the following shows the best examples of the energy conversion in a battery powered flashlight?

a)

Chemical >>> Electrical >>> Radiant

b)

Electrical >>> Mechanical >>> Chemical

c)

Mechanical >>> Radiant >>> Electrical

d)

Radiant >>> Electrical >>> Chemical

67.

A wind turbine makes use of which type of energy to generate electricity?

a)

chemical energy

b)

mechanical energy

c)

electric energy

d)

thermal energy

68.

A television converts electricity into

a)

light.

b)

sound.

c)

light and sound.

d)

light, sound, and heat.

69.

An example of electrical energy transforming to thermal energy is

a)

a fire burning.

b)

using a toaster.

c)

burning coal.

d)

lighting a candle.

70.

Before burning logs in a fireplace, they were a source of

a)

elastic potential energy.

b)

chemical potential energy.

c)

electrical potential energy

d)

gravitational potential energy.

71.

Batteries and food are an example of

a)

potential chemical energy.

b)

potential elastic energy.

c)

potential light energy.

d)

potential electrical energy.

72.

Which best describes what happens when a ball is thrown off mountain top?

a)

The kinetic energy increases and so does the total amount of energy.

b)

The kinetic energy decreases and the total amount of energy increases.

c)

The potential energy decreases and the total amount of energy also decreases.

d)

Both the kinetic and potential energy change, but the total energy remains constant.

73.

An object with kinetic energy must be

a)

at rest.

b)

stopped

c)

in motion.

d)

at an elevated position.

74.

The energy of electromagnetic waves is also known as ________ energy.

a)

chemical

b)

thermal

c)

radiant

d)

chemical

75.

What energy is given off by the sun?

a)

thermal and mechanical

b)

thermal and radiant

c)

radiant and electrical

d)

electrical and chemical

76.

Which kitchen appliance converts radiant energy into thermal energy?

a)

Dishwasher

b)

Microwave

c)

Coffee Maker

d)

Refrigerator

77.

Right before a ball starts to fall, it has

a)

kinetic energy only.

b)

potential energy only.

c)

both kinetic and potential energy.

d)

neither kinetic or potential energy.

78.

We played Jenga the other night. The wooden piece at the top has the greatest amount of ____ potential energy.

a)

falling

b)

elastic

c)

chemical

d)

gravitational

79.

Steve slammed on his brakes when a ball rolled out in front of his bike. During this quick stop, some of the mechanical energy (his motion) was changed into

a)

heat energy.

b)

light energy.

c)

kinetic energy.

d)

potential energy.

80.

Which is a characteristic of both kinetic and potential energy?

a)

Increase with mass

b)

Increase with velocity or speed

c)

Increase with height

d)

Increase with temperature

81.

What is law of conservation of energy?

a)

energy is universal

b)

energy can neither be created nor be destroyed

c)

energy has electrical mass

82.

Burning your feet on the hot sand in the summer is an example of...

a)

Radiation

b)

Convection

c)

Conduction

83.

Less dense warm air rises and more dense cool air sinks in this kind of heat transfer...

a)

Radiation

b)

Conducation

c)

Convection

84.

What happens to particles as you add thermal energy?

a)

Molecules speed up and contract, causing the material to expand.

b)

Molecules break apart and the atoms spread out.

c)

Molecules speed up and spread out, causing the material to expand.

d)

Molecules slow down and begin to contract.

85.

The sun's rays heating the earth is an example of...

a)

radiation

b)

convection

c)

conduction

86.

Touching a hot pot and burning your hand is an example of what kind of heat transfer?

a)

Radiation

b)

Conduction

c)

Convection

87.

Boiling water is an example of what kind of heat transfer?

a)

Radiation

b)

Conduction

c)

Convection

88.

Heat always travels...

a)

alone

b)

by air

c)

with a partner

d)

from hot to cold

89.

Heat energy is also known as

a)

Thermal Energy

b)

Kinetic Energy

c)

Potential Energy

90.

When particles are heated, they

a)

expand

b)

contract

c)

conduct

d)

insulate

91.

When particles are cooled they,

a)

expand and move apart

b)

expand and move together

c)

contract and move apart

d)

contract and move together

92.

Which state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

93.

What state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

94.

Which state of matter does this picture show?

a)

Solid

b)

Liquid

c)

Gas

95.

As temperature increases, what happens to particles?

a)

They speed up

b)

They slow down

96.

As temperature decreases, what happens to particles?

a)

They speed up

b)

They slow down

97.

What is happening in this picture of ice melting?

a)

Molecules are speeding up

b)

Molecules are slowing down

98.

What is happening in this picture of water boiling?

a)

Molecules are speeding up

b)

Molecules are slowing down

99.

What is happening in this picture of this lake freezing?

a)

Molecules are speeding up

b)

Molecules are slowing down

100.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
101.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
102.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
103.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
104.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
105.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
106.

Which of these is the electron?

a)

A

b)

B

c)

C

107.
Plastic is an example of _______.
a)
an insulator
b)
a conductor
108.
A metal spoon is an example of _____.
a)
a conductor
b)
an insulator
109.
The push or pull between charged objects is an
a)
electric force
b)
electric discharge
c)
electric field
110.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
111.
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
a)
The doorknob sends a burst of electric current into your body
b)
Millions of electrons go from your finger into the doorknob
c)
The doorknob sends millions of electrons into your finger
d)
our finger becomes negatively charged
112.
The Electric Force is strongest when charges are...
a)
close together
b)
far apart
c)
the electric force is constant everywhere
113.
What are the two types of charges that objects may possess?
a)
+ and +
b)
+ and -
c)
+ and neutral 
d)
- and neutral 
114.

What is the property that causes subatomic particles such as protons and electrons to attract or repel one another?

a)

electric charge

b)

electric force

c)

electric field

d)

static electricity

115.

What is the force of attraction or repulsion between electrically charged objects?

a)

electric charge

b)

electric force

c)

electric field

d)

static electricity

116.

What is the effect an electric charge has on other charges in the space around it?

a)

electric charge

b)

electric force

c)

electric field

d)

static electricity

117.

What is the study of the behavior of electric charges, including how charge is transferred between objects?

a)

electric charge

b)

electric force

c)

electric field

d)

static electricity

118.

What happens when a pathway through which charges can move forms suddenly?

a)

electric charge

b)

electric force

c)

electric field

d)

static discharge

119.

What law states that the total charge in an isolated system is constant?

a)

Law of Gravity

b)

Law of Life

c)

Law of Conservation of Energy

d)

Law of Conservation of Charge

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