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Physical Science Chapter 15 Review

Total questions: 75

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

ability to do work

(a)  

2.

a transfer of energy

(a)  

3.

energy of motion

(a)  

4.
Which has a greater impact on KE?
a)
mass
b)
velocity
5.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
6.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
7.
Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
8.
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
9.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
10.
What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s
a)
50 J
b)
5 J
c)
250 J
d)
25 J
11.
A golf pro swings his driver which weighs 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.
a)
2700 J
b)
16.9 J
c)
1350 J
d)
45 J
12.
What is the kinetic energy of a 1500 gram object moving at a velocity of 100 m/s
a)
112.5 J
b)
7,500,000 J
c)
75 J
d)
7,500 J
13.
A rabbit of mass 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.
a)
0.5 J
b)
0.75 J
c)
0.255 J
d)
0.375 J
14.
How much kinetic energy does a person of mass 50kg running at 3m/s have? Provide your answer in KJ.
a)
225 KJ
b)
0.225 KJ
c)
75 KJ
d)
0.075 KJ
15.
A moving 10 kilogram object has 20 Joules of kinetic energy. What is its velocity?
a)
2 m/s
b)
4 m/s
c)
200 m/s
d)
10 m/s
16.
What is the mass of a moving object that has 100 Joules of kinetic energy and moves at a velocity of 2 m/s?
a)
50 kg
b)
200 kg
c)
25 kg
d)
100 kg
17.
An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s
a)
200Kg
b)
20,000Kg
c)
10Kg
d)
200Kg
18.
An 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?
a)
10 m/s
b)
5 m/s
c)
1 m/s
d)
100 m/s
19.

What is the correct unit for energy?

a)

meters (m)

b)

kilogram meters per second (kg m/s)

c)

Newtons (N)

d)

Joules (J)

20.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
21.

What is the equation for calculating gravitational potential energy

a)

mv

b)

1/2 mv^2

c)

mgh

d)

Ft

22.

What is the equation for calculating kinetic energy?

a)

mv

b)

1/2 mv^2

c)

mgh

d)

Ft

23.

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level. (g = 10 Nkg-1)

a)

250,000 J

b)

2,500,000 J

c)

25,000,000 J

d)

250 J

24.

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv2)

a)

8.5 J

b)

45 J

c)

7.5 J

d)

22.5 J

25.

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball? (KE = 1/2mv2)

a)

567 J

b)

900 J

c)

945 J

d)

30 J

26.

If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv2)

a)

5.4 J

b)

1.8 J

c)

3 J

d)

6 J

27.

If the 1.2 kg basketball rolls at 3 m/s, what is it's kinetic energy? (KE = 1/2mv2)

a)

2.7

b)

5.4

c)

3.6

d)

9

28.

A 5 Kg body is having a Kinetic energy of 250 J. What is the velocity (or speed) of the body?

a)

10 m/s

b)

15 m/s

c)

20 m/s

d)

40 m/s

29.

What is the mass of a ball that has a kinetic energy of 115 J and is traveling at a speed of 9 m/s?

a)

1035 kg

b)

23.5 kg

c)

12.8 kg

d)

2.84 kg

30.

A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a GPE of 56.8 J?

a)

71 kg

b)

22.72 kg

c)

142 kg

d)

2.32 kg

31.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
32.

Potential energy depends on the ________ and ________ of the object.

a)

Height and weight

b)

Friction and weight

c)

Mass and Movement

d)

Height and speed

33.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
34.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
35.
At point B, the energy is ______.
a)
Potential
b)
Kinetic
c)
Thermal
d)
Chemical
36.

What type of energy is being used?

a)

electromagnetic

b)

mechanical

c)

thermal

d)

sound

37.

What type of energy is being used?

a)

electromagnetic

b)

mechanical

c)

thermal

d)

sound

38.

What type of energy is being used?

a)

electromagnetic

b)

mechanical

c)

chemical (photosynthesis)

d)

sound

39.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
40.
On a roller coaster, where is maximum (or most) potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
41.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
heat
d)
mechanical
42.
What kind of energy do scissors use?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Solar
43.

Stored energy

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

44.

Food

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

45.

wires

a)

Thermal

b)

Electrical

c)

Sound

d)

Kinetic

e)

Potential

46.

Fuel

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

47.

Batteries

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

48.

Stretching an object

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

49.

Which 2 types of energy does the object in the image use?

a)

Electric and Thermal

b)

Nuclear and Elastic

c)

Chemical and Mechanical

d)

Sound and Elastic

50.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
51.

What does the "E" stand for in E=mc^2?

a)

Equivalence

b)

Energy

52.

What does "M" stand for in E=mc^2?

a)

Momentum

b)

Mass

c)

Movement

53.

What does "C^2" stand for in E=mc^2?

a)

speed of light

b)

speed of light times itself

c)

mass times two

54.

Can mass be energy?

a)

Yes

b)

No

55.

Can energy be mass?

a)

No

b)

Yes

56.

Which of the following are Non-Renewable energy resources? (Check all that apply.)

a)

coal

b)

wind

c)

solar

d)

nuclear

57.

One advantage of solar and wind power over fossil fuels is that

a)

wind and solar are presently much less expensive than fossil fuels.

b)

wind and solar come from natural processes and fossil fuels do not.

c)

wind and solar are nonrenewable resources and fossil fuel are renewable.

d)

wind and solar are continuously renewable and fossil fuels take millions of years to be formed.

58.

Renewable or Nonrenewable: Coal

a)

Renewable

b)

Nonrenewable

59.

Renewable or Nonrenewable: Natural Gas

a)

nonrenewable

b)

renewable

60.

Renewable or Nonrenewable: Oil

a)

Nonrenewable

b)

Renewable

61.

Renewable or Nonrenewable: Sunlight

a)

Renewable

b)

Nonrenewable

62.

Renewable or Nonrenewable: Water

a)

Nonrenewable

b)

Renewable

63.

Renewable or Nonrenewable: Wind

a)

Renewable

b)

Nonrenewable

64.

This energy is from moving air.

a)

Wind Energy

b)

Geothermal Energy

c)

Fossil Fuel Energy

d)

Biofuel

65.

This is electrical energy that comes from the force of energy of moving water. It is the most widely used type of renewable energy.

a)

Coal

b)

Hydroelectric Power

c)

Wind Energy

d)

Geothermal Energy

66.

This is a liquid fuel derived from plant materials.

a)

wind energy

b)

biofuel (from biomass)

c)

geothermal energy

d)

solar energy

67.

This is the energy generated in the Earth's core and produces steam and hot water.

a)

Solar Energy

b)

Hydroelectric Power

c)

Fossil Fuels

d)

Geothermal

68.

Solar energy is a completely renewable resource.

a)

Advantage

b)

Disadvantage

69.

Fossil Fuels produce carbon dioxide that pollutes the atmosphere.

a)

Advantage

b)

Disadvantage

70.

Nuclear Power can generate high amounts of electrical energy in a single plant.

a)

Advantage

b)

Disadvantage

71.

Biomass requires a lot of space.

a)

Advantage

b)

Disadvantage

72.

Wind energy is pollution free.

a)

Advantage

b)

Disadvantage

73.

Hydropower can have a negative impact on river wildlife.

a)

Advantage

b)

Disadvantage

74.

Geothermal power is geographically limited-not available in many locations.

a)

Advantage

b)

Disadvantage

75.

Fossil Fuels are a nonrenewable resource.

a)

Advantage

b)

Disadvantage

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