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Energy Review

Total questions: 110

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

2.
__________ is stored energy. 
a)
Potential
b)
Kinetic
3.

A moving skateboard is an example of what kind of energy?

a)

Potential

b)

Kinetic

4.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
5.

When a pendulum swings, where is potential energy the greatest?

a)

1 and 5

b)

2 and 4

c)

3

d)

2 and 5

6.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
7.

What type of energy is greatest when the cannonball is at point C?

a)

kinetic energy

b)

potential energy

c)

elastic energy

d)

chemical energy

8.

When a pendulum swings, at which point is kinetic energy the greatest?

a)

1

b)

2

c)

3

d)

5

9.

Conservation of energy means that energy cannot be ________ or ________, but can move and be changed from one form to another.

a)

created, destroyed

b)

gravity, force

c)

created, heated

d)

stolen, destroyed

10.

The amount of kinetic energy an object has depends on its:

a)

Mass and volume

b)

Volume and friction

c)

Mass and speed

d)

Speed and density

11.

What does friction do to a skateboarder going up a ramp?

a)

speeds them up

b)

no impact

c)

slows them down

d)

decreases lift

12.

Gravitational potential energy depends on the ________ of the object.

a)

height (position)

b)

speed

c)

mass

d)

volume

13.

Which point has the most potential energy?

a)

G

b)

F

c)

B

d)

A

14.

Speed and Kinetic energy have a positive correlation, meaning if one increases the other also increases.

a)

True

b)

False

15.

Which cart has a little less kinetic energy than cart C?

a)

A

b)

B

c)

C

d)

D

16.

Which point has the most kinetic energy?

a)

A

b)

B

c)

C

d)

D

17.

Which point has the least kinetic energy

a)

A

b)

B

c)

C

d)

D

18.

what is the abbreviation for kinetic energy

a)

ke

b)

pe

c)

ekg

d)

me

19.

what is the abbreviation of potential energy

a)

ke

b)

pe

c)

ekg

d)

me

20.

what point has the most potential (it going to the right)

a)

a

b)

b

c)

c

d)

d

21.

What is the formula for Gravitational Potential Energy?

a)

PE = mgh

b)

KE = 1/2mv2

c)

W = Fd

d)

P = W/t

22.

What is the formula for Kinetic Energy?

a)

PE = mgh

b)

KE = 1/2mv2

c)

W = Fd

d)

P = W/t

23.

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?

a)

80 J

b)

3.2 J

c)

160 J

d)

40 J

24.

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

a)

3,700J

b)

900J

c)

4,500J

d)

6,500J

25.

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

26.

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. How much kinetic energy does the ball have?

a)

1890 J

b)

3780 J

c)

945 J

d)

31.5 J

27.

A golf pro swings his driver which has a mass of 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

28.

A rabbit with a mass of 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

29.

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock reaches 100 meters in height. It has a mass of 5 kg. How much potential energy does the rock have before it begins falling back to earth?

a)

500J

b)

50J

c)

4,905 J

d)

49.05J

30.
Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its gravitational potential energy (GPE)?
a)
5.88 J
b)
0.6 J
c)
6.67 J
d)
0.15 J
31.

An aircraft is taking a group of skydivers up into the air. Evan is dressed in his parachuting outfit, which brings his mass to a total of 90.0 kg. The aircraft takes the group to a height of 5000m before the jump. How much GPE does Evan have before jumping?

a)

4,410,000 J

b)

450,000 J

c)

55.56 J

d)

0.018 J

32.
With all of his Batgear on, Batman has a mass of 90.7 kg. How much potential energy does he have if he's perched on top of a 1,575 m building? 
a)
142,852.5 J
b)
1,399,954.5 J
c)
0.058 J
d)
17.36 J
33.
When the astronauts of Apollo 11 landed on the moon, they planted a flag that has a mass of 2.5 kg. How much GPE did the flag have when it was 8 m of the surface of the moon? Gravity there is 1.622 m/s2.
a)
20 J
b)
12.33 J
c)
32.44 J
d)
5.19 J
34.
A 3 kg bowling ball is lifted 1.5 m off the ground. What is its GPE?
a)
4.5 J
b)
2 J
c)
44.1 J
d)
0.5 J
35.

A crate with a mass of 15.3 kg is pulled 9.2 m up in order to place it on top of a shelf. Calculate the GPE of the crate.

a)

140.76 J

b)

1.66 J

c)

1,379.4 J

d)

5.89 J

36.
What is the GPE of a 0.15 kg baseball once it reaches the apex of its motion at 18 m above the ground?
a)
26.46 J
b)
2.7 J
c)
120 J
d)
1,176 J
37.

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

a)

a 500 kg boulder on a 5 meter hill

b)

a 500 kg boulder on a 10 meter hill

c)

a 500 kg boulder on a 20 meter hill

38.

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy

a)

a bird flying 7 kmph 3 meters off the ground

b)

a bird flying 7 kmph 6 meters off the ground

c)

a bird flying 10 kmph 3 meters off the ground

39.

What two factors affect GRAVITATIONAL POTENTIAL energy?

a)

mass

b)

height

c)

speed

d)

mass and speed

e)

mass and height

40.

What two factors affect kinetic energy?

a)

mass

b)

speed

c)

height

d)

mass and speed

e)

mass and height

41.

Which has more GRAVITATIONAL POTENTIAL energy and WHY? (Choose the BEST explanation!)


A roller coaster car at the top of a hill

OR

a roller coaster car at the bottom of the hill.

a)

The car at the top because it is not moving, so it has more potential energy.

b)

The car at the top because it is higher off the ground, so it has more GPE.

c)

The car at the bottom because it is going faster.

d)

The car at the bottom because it can't go any lower.

42.

Which has more KINETIC energy and WHY? (Choose the BEST explanation!)


A roller coaster car at the top of a hill

OR

a roller coaster car at the bottom of the hill.

a)

The car at the top because it is not moving, so it has more potential energy.

b)

The car at the top because it is higher off the ground, so it has more GPE.

c)

The car at the bottom because it is going faster.

d)

The car at the bottom because it can't go any lower.

43.

Is this a better example of Potential Energy or Kinetic Energy?

a)

Potential Energy

b)

Kinetic Energy

44.

How do you increase kinetic energy?

a)

move slower

b)

decrease mass

c)

move faster

d)

move higher

45.

How do you increase potential energy?

a)

move faster

b)

move slower

c)

move higher

d)

decrease mass

46.

Which point has the most potential energy?

a)

A

b)

B

c)

C

d)

A and C

47.

Which point has the least potential energy?

a)

A

b)

B

c)

C

d)

A and C

48.
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
a)
Potential and Kinetic energy both increase
b)
Potential increases and Kinetic decreases
c)
Potential decreases and Kinetic increases
d)
Potential and Kinetic energy both decrease
49.
The amount of potential energy possessed by an elevated object is equal to 
a)
the power to lift it
b)
the distance it is lifted
c)
force needed to list it
d)
work done lifting it
50.
Compressed springs and stretched rubber bands are examples.
a)
Potential Energy
b)
Stored Mechanical Energy
c)
Radiant Energy
d)
Kinetic Energy
51.
Energy stored in the bonds of atoms and molecules. 
a)
Chemical Energy
b)
Radiant Energy
c)
Stored Mechanical Energy
d)
Gravitational Energy
52.

At the lowest point

a)

Highest Potential and Lowest Kinetic

b)

Highest Potential and Highest Kinetic

c)

Least Potential and Least Kinetic

d)

Lowest Potential and Highest Kinetic

53.

Object moving up a hill

a)

Gaining kinetic and losing potential

b)

Gaining potential and losing kinetic

c)

Gaining potential and kinetic

d)

Losing potential and kinetic

54.

At the highest point

a)

Highest Potential and Lowest Kinetic

b)

Highest Potential and Highest Kinetic

c)

Least Potential and Least Kinetic

d)

Lowest Potential and Highest Kinetic

55.

Mechanical energy

a)

Potential Energy

b)

Kinetic Energy

c)

Neither Potential or Kinetic Energy

56.

This is the energy of moving electrons.

a)

nuclear

b)

electrical

c)

potential

d)

sound

57.
___________ energy can move through empty space.  
a)
Sound 
b)
Nuclear 
c)
Electromagnetic 
d)
Chemical 
58.
This is the energy that can be released by breaking the bonds between compounds. 
a)
electromagnetic
b)
nuclear 
c)
kinetic 
d)
chemical 
59.
The is the energy due to the splitting of atoms. 
a)
nuclear 
b)
chemical 
c)
mechanical 
d)
sound 
60.
Light is a form of __________ energy. 
a)
Sound 
b)
Electromagnetic
c)
Fun
d)
Thermal 
61.
This is the energy that moves objects. 
a)
cool 
b)
nuclear 
c)
chemical 
d)
mechanical 
62.
This is energy that is stored for later use. 
a)
kinetic energy 
b)
potential energy 
c)
mechanical energy 
d)
electromagnetic energy. 
63.

Heat always travels from...

a)

Warm to cool

b)

Cool to warm

c)

Warm to warm

d)

Cool to cool

64.

At what point does the biker have the greatest Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

65.

At what point does the biker have the greatest Potential Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

66.

Which Apple has the greatest Gravitational Potential Energy?

a)

The object with a mass of 3kg because its mass is less.

b)

The object with a mass of 50kg because its mass is greater.

c)

Both objects because they are at the same height.

d)

Neither of the objects because they are at the same height.

67.

What is the Energy Conversion that is shown in the image?

a)

Radiant to Thermal

b)

Thermal to Chemical

c)

Chemical to Radiant

d)

Radiant to Chemical

68.

What is the Energy Conversion that is shown in the image?

a)

Chemical to Mechanical

b)

Thermal to Chemical

c)

Chemical to Thermal

d)

Mechanical to Chemical

69.
What form of energy transfer is most likely responsible when your clothes dryer dries your clothes?
a)
Potential to Chemical to Nuclear
b)
Kinetic to Thermal to Light
c)
Chemical to Mechanical to Electrical
d)
Electrical to Mechanical to Thermal
70.
What type of energy transfer is most likely responsible when a plant converts the suns energy into food?
a)
Chemical to Solar
b)
Solar to chemical
c)
Light to electrical
d)
Electrical to chemical
71.

The bike Dr. Jeff's mom is riding uses a generator to convert _____________ energy to ________________ energy.

a)

solar, mechanical

b)

motion, electrical

c)

heat, steam

d)

hydro, electrical

72.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
73.

What type of energy is transferred from the golf club to the golf ball?

a)

nuclear

b)

mechanical

c)

chemical

d)

radiant

74.

Uranium is the fuel used in nuclear reactors. What energy is transferred from the uranium mine to the nuclear reactor?

a)

chemical

b)

radiant

c)

nuclear

d)

mechanical

75.

A fan plugged into a wall is which transfer of energy

a)

Electrical to mechanical.

b)

Potential to sound.

76.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

77.

Where is the kinetic energy the greatest?

a)

A

b)

B

c)

C

d)

D

78.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
79.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
80.

What type of energy transformation occurs in an electric hot that is turned on?

a)

thermal energy to electrical energy

b)

electrical energy to thermal energy

c)

thermal energy to mechanical energy

d)

mechanical energy to thermal energy

81.

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

a)

thermal energy to mechanical energy

b)

thermal energy to chemical energy to mechanical energy

c)

chemical energy to thermal energy to mechanical energy

d)

chemical energy to electrical energy

82.

The roller coaster cart has the most kinetic energy at position-

a)

W

b)

X

c)

Y

d)

Z

83.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
84.
What is the symbol for Thermal Energy?
a)
Q
b)
t
c)
m
d)
C
85.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
86.
What is the symbol for Specific Heat
a)
Q
b)
t
c)
m
d)
C
87.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
88.
Water has a specific heat of 4184 J/KgºC.  Wood has a specific heat of 1760 J/KgºC.  What material needs more energy to raise the temperature 1ºC
a)
Wood
b)
Water
c)
Both are the same
89.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
90.
A material was cooled from 100ºC to 40ºC.  What is the temperature change?
a)
60ºC
b)
40ºC
c)
-60ºC
d)
-40ºC
91.
What does temperature measure?
a)
Heat
b)
ºC
c)
Kinetic Energy
d)
Thermal Energy
92.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
93.

According to the ESRT, which material would require the most heat energy to increase the temperature of 1 gram of the material one Celsius degree?

a)

Ice

b)

Water

c)

Basalt

d)

Granite

94.

Which material would require the greatest amount of heat energy to raise its temperature from 5oC to 10oC? [Refer to the Earth Science Reference Tables.]

a)

Iron

b)

Lead

c)

Granite

d)

Dry Air

95.

If the same amount of heat is added to each sample, the smallest change in temperature will occur in the

a)

Iron

b)

Dry Air

c)

Granite

d)

Water

96.

What would heat up the fastest if left out in the sunlight on a clear, summer day?

a)

Liquid Water

b)

Dry Air

c)

Lead

d)

Granite

97.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
98.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
99.

Specific Heat is....

a)

The speed of the particles in a substance

b)

The temperature of the substance

c)

How much energy it takes to heat something up

d)

Heat

100.

When heat is absorbed by a substance, what happens to the temperature of the substance?

a)

it increases

b)

it stays the same

c)

it decreases

d)

it depends on the substance

101.

When heat is released by a substance, what happens to its temperature?

a)

it increases

b)

it stays the same

c)

it decreases

d)

it depends on the substance

102.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
103.

What letter do we use to represent change in temperature?

a)

Q

b)

m

c)

c

d)

ΔT\Delta T

104.

What does  ΔT\Delta T  represent?

a)

 tf −tit_{f\ }-t_i  

b)

 ti −tft_{i\ }-t_f  

c)

t - celsius

d)

celsius - t

105.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
106.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
107.
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?
a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Medium cup (Venti)
d)
All three are the same temperature so they have the same thermal energy
108.
Which of the following would be the best insulator?
a)
air
b)
aluminum
c)
copper
d)
silver
109.
lowest possible temperature on the Kelvin scale
a)
boiling point
b)
insulation
c)
absolute zero
d)
heat
110.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat

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