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Energy

Total questions: 70

Worksheet time: 39mins

Name
Class
Date
1.

  1. Define energy.

a)
Energy is a type of matter.
b)
Energy is the speed of light.
c)
Energy is a form of temperature.
d)
Energy is the capacity to do work or produce change.
2.

Define kinetic energy

a)

Kinetic energy is the energy of motion.

b)
Kinetic energy is the energy associated with an object's temperature.
c)
Kinetic energy is the energy released during a chemical reaction.
d)
Kinetic energy is the energy stored in an object at rest.
3.

Define Potential energy.

a)

Potential energy is energy of position or energy of storage

b)
Potential energy is the energy stored in a moving object.
c)
Potential energy is the energy released during a chemical reaction.
d)
Potential energy is the energy of motion.
4.

What is the formula for kinetic energy

a)

KE = .5(m²v)

b)

KE = m/v

c)

KE = mv/2

d)

KE= .5(mv²)

5.

What is the formula for potential energy

a)
PE = mvt
b)
PE = Fd
c)
PE = mgh
d)

PE = F X D

6.

What is the formula for weight

a)

Weight = Mass - 9.8 m/s²

b)

Weight = Mass ÷ 9.8 m/s²

c)

Weight = Mass × 9.8 m/s²

d)

Weight = Mass + 9.8 m/s²

7.

The formula for potential energy is weight x ____________?

a)
mass
b)
velocity
c)
time
d)
height
8.

When you eat fruits and vegetables, which of the following types of energy are you taking in?

a)
Chemical energy
b)
Thermal energy
c)
Kinetic energy
d)
Nuclear energy
9.

Growing an apple tree is what type of energy conversion

a)

Light to chemical energy conversion

b)
Mechanical to electrical energy conversion
c)
Chemical to thermal energy conversion
d)
Nuclear to solar energy conversion
10.

What is the Law of Conservation of Energy

a)
Energy cannot be created or destroyed, only transformed.
b)
Energy can be created and destroyed.
c)
Energy is a fixed quantity that cannot change.
d)
Energy can only be created from matter.
11.

When is potential energy the greatest in a roller coaster?

a)
At the highest point of the roller coaster.
b)
At the lowest point of the roller coaster.
c)
When the coaster is going uphill.
d)
During the loop-de-loop section.
12.

Any time an energy conversion takes place, some of the original energy is converted to which of the following?

a)

light

b)

sound

c)

motion

d)

thermal

13.

Energy is measured in 

a)
amps
b)
joules
c)
volts
d)
watts
14.

_________________ is energy that is available for release from chemical reactions

a)

Nuclear energy

b)

Mechanical energy

c)

Chemical energy

d)

Thermal energy

15.

Which energy is caused by an object's vibrations?

a)
Kinetic energy
b)
Nuclear energy
c)
Sound energy
d)
Thermal energy
16.

What is a change from one form of energy to another called?

a)
Energy transformation
b)
Energy conservation
c)
Energy depletion
d)
Energy transfer
17.

When you wind a rubber band on a toy airplane, which of the following types of energy does the rubber band have?

a)
Kinetic energy
b)
Thermal energy
c)
Chemical energy
d)
Elastic potential energy
18.

A hair dryer changes electrical energy into which of the following types of energy?

a)

chemical energy

b)

thermal energy

c)

potential energy

d)

nuclear energy

19.

Which of the following types of energy is in the food you eat?

a)

Thermal energy

b)

Kinetic energy

c)

Chemical energy

d)

Nuclear energy

20.

Speed has the greatest effect on which of the following types of energy?

a)

Kinetic energy

b)

Chemical energy

c)

Thermal energy

d)

Potential energy

21.

A 65-kilogram man is walking at a speed of 3.0 m/s. What is his kinetic energy?

a)

450 Joules

b)

150 Joules

c)

292.5 Joules

d)

75 Joules

22.

A 15-kilogram car is moving at a speed of 4 m/s. How much kinetic energy does the car have?

a)

30 joules

b)

240 joules

c)

60 joules

d)

120 joules

23.

What is the potential energy of a rock that weighs 12 newtons that is sitting on top of a hill 10 meters high?

a)

100 joules

b)

80 joules

c)

150 joules

d)

120 joules

24.

A flower pot weighing 5 newtons is sitting on a windowsill 4 meters from the ground. What is the potential energy of the flower pot? 

a)
15 joules
b)
10 joules
c)
20 joules
d)
25 joules
25.

A ball rolling down a hill is a type of energy

a)

nuclear energy

b)

thermal energy

c)

potential energy

d)

kinetic energy

26.

A ball sitting on the edge of a table is a type of energy.

a)

kinetic energy

b)

thermal energy

c)

nuclear energy

d)

potential energy

27.

The combination of __________________________ and __________________________ make up the universe. The first answer is the substance, and the second answer is the mover of substance.

a)

matter and energy

b)

gravity and time

c)

light and sound

d)

space and matter

28.

Which of the following types of energy is used to make toast?

a)

Chemical energy

b)

Nuclear energy

c)

Mechanical energy

d)

Electrical energy

29.

Which of the following is the formula for finding mechanical energy?

a)
ME = PE * KE
b)
ME = PE + KE
c)
ME = KE / PE
d)
ME = PE - KE
30.

Energy that comes from changes in the nucleus of an atom


a)

Solar energy

b)

Wind energy

c)

Geothermal energy

d)

Nuclear energy

31.

Define fossil fuel.

a)

Fossil fuel is a renewable energy source from solar panels.

b)

Fossil fuel is a type of mineral found in rocks.

c)

Fossil fuel is a nonrenewable energy formed from the remains of organisms that lived long ago.

d)

Fossil fuel is created from the burning of wood and plants.

32.

What type of motion is impossible because energy conversions always result in the production of waste in thermal energy?

a)

Simple machines

b)

Closed systems

c)

Perpetual motion machines

d)

Energy-efficient devices

33.

The source of practically all our energy is _______________________.

a)

the sun

b)

ocean currents

c)

volcanic activity

d)

the moon

34.

______________ are a natural resource that can be replaced at the same rate at which the resource is consumed (solar, water, wind, and geothermal).

a)

renewable

b)

Nonrenewable

35.

Hydroelectric energy is due to ________________________.

a)

geothermal heat

b)

solar panels

c)

water

d)

air

36.

__________________ is caused by the sun’s heating of earth’s surface. The kinetic energy can turn the blades which can be converted into electrical energy.

a)

Geothermal energy

b)

Solar energy

c)

Nuclear energy

d)

Wind energy

37.

_______________ energy is caused by the movement of electrons.

a)

Chemical energy

b)

Electrical energy

c)

Nuclear energy

d)

Thermal energy

38.

________________ energy is due to an object's motion or position.

a)

mechanical energy

b)

thermal energy

c)

nuclear energy

d)

chemical energy

39.

_____________________ energy is due to random motion of the particles that make up an object. It is only KE.

a)

Kinetic energy

b)

Thermal energy

c)

Potential energy

d)

Mechanical energy

40.

Elastic potential energy is

a)
the energy released during an elastic collision
b)
the energy required to stretch a rubber band
c)
the energy associated with gravitational potential energy
d)

energy due to compression or expansion of an elastic object

41.

Gravitational potential energy is

a)
the energy an object has due to its temperature
b)
the energy an object has due to its speed
c)
the energy an object has due to its position in a gravitational field
d)
the energy an object has due to its mass
42.

What is the formula for potential energy?

a)
PE = Fd
b)
PE = 1/2 mv^2
c)
PE = mvt
d)

PE = w x h

43.

What is a change from one form of energy to another called?

a)
Energy transfer
b)
Energy conversion
c)
Energy shift
d)
Energy transformation
44.

What form of energy uses sunlight that can be changed into electrical energy?

a)
Hydroelectric energy
b)
Wind energy
c)
Solar energy
d)
Geothermal energy
45.

What form of energy is caused by the sun’s heating of the earth’s surface?

a)

Nuclear energy

b)

Wind energy

c)

Chemical energy

d)

Kinetic energy

46.

Define wind energy.

a)

Wind energy is derived from fossil fuels.

b)

Wind energy is a renewable energy source generated by harnessing the power of wind.

c)

Wind energy is a type of solar energy.

d)

Wind energy is generated by burning coal.

47.

Thermal energy increases as ________________ and __________________ increase.

a)

pressure and mass

b)

volume and matter

c)

mass and volume

d)

temperature and mass

48.

  • _________________________ is an increase in the size of a substance in response to an increase in the temperature of the substance. 

a)

thermal insulation

b)

thermal conductivity

c)

thermal contraction

d)

thermal expansion

49.

___________________________ is the energy transferred between objects that are at different temperatures.

a)
Power
b)
Heat
c)
Work
d)
Energy
50.

  • _________________ is the kinetic energy of a substance’s atoms. It flows from higher temperature objects to lower temperature objects.

a)

Temperature

b)

Energy

c)

Pressure

d)

Heat

51.

________________________thermal energy caused by the heating of earth’s crust – the steam can turn turbines of generator into electrical energy

a)
Solar energy
b)
Wind energy
c)
Nuclear energy
d)
Geothermal energy
52.

__________________________caused by the sun’s heating of earth’s surface –the kinetic energy of wind can turn the blades which can be converted into electrical energy.

a)
Solar energy
b)
Geothermal energy
c)
Hydropower
d)
Wind energy
53.

What is the potential energy of a rock that weighs 3 N that is sitting on top of a hill 2 m high? _____________J

a)
6 J
b)
4 J
c)
8 J
d)
10 J
54.

A ball is dropped from a height of 4 meters.  The ball has a mass of 2 kg.  What is the potential energy of the ball? _____________J

a)
50 J
b)
20 J
c)
78.48 J
d)
100 J
55.

 A 2 kg book is placed on a shelf that is 3 meters above the ground. How much potential energy does the book have?

a)

58.8 J

b)
20 J
c)
100 J
d)
45 J
56.

  A person lifts a 20 N box to a height of 4 meters on a shelf. How much gravitational potential energy does the box have at the top? 

a)
80 Joules
b)
60 Joules
c)
40 Joules
d)
100 Joules
57.

 A 4 kg bicycle is traveling at a speed of 10 m/s. What is the kinetic energy of the bicycle? 

a)
100 Joules
b)
400 Joules
c)
50 Joules
d)
200 Joules
58.

  A 15 kg roller skate moves with a speed of 3 m/s. What is the kinetic energy of the roller skate?  __________________J

a)
67.5 J
b)
30 J
c)
90 J
d)
45 J
59.

Which of the following is an example of energy transformation in a car engine?

a)

Chemical to thermal energy

b)

Nuclear to electrical energy

c)

Thermal to potential energy

d)

Mechanical to chemical energy

60.

Which of the following is an example of kinetic energy?

a)

A book on a shelf

b)

A battery

c)

A moving car

d)

A compressed spring

61.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
62.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
63.

Which is an example of light energy?

a)

lawn mower

b)

blender

c)

flash light

d)

speaker

64.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
65.

When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts-(6.9C)

a)

chemical energy to mechanical energy

b)

electrical energy to chemical energy

c)

chemical energy to light energy

d)

mechanical energy to chemical energy

66.
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
a)
An electric toothbrush
b)
A toaster
c)
A flashlight
d)
An iron
67.
A battery converts (changes) _____________________ to electrical energy.
a)
kinetic
b)
potential
c)
thermal
d)
chemical
68.
The food we eat is a source of ...
a)
Mechanical Energy
b)
Chemical Energy
c)
Sound Energy
d)
Radiant Energy
69.
Which of these has stored chemical energy?
a)
lightning
b)
microwave oven
c)
a match
d)
light
70.

A bicycle is an example of what type of energy?

a)

Mechanical

b)

Heat

c)

Light

d)

Sound

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