Quiz about Energy

Question 1

Define energy.

Accepted Answer

Energy is the capacity to do work or produce change.

Answer

Energy is a type of matter.

Answer

Energy is the speed of light.

Answer

Energy is a form of temperature.

Question 2

Define kinetic energy

Accepted Answer

Kinetic energy is the energy of motion.

Answer

Kinetic energy is the energy associated with an object's temperature.

Answer

Kinetic energy is the energy released during a chemical reaction.

Answer

Kinetic energy is the energy stored in an object at rest.

Question 3

Define Potential energy.

Accepted Answer

Potential energy is energy of position or energy of storage

Answer

Potential energy is the energy stored in a moving object.

Answer

Potential energy is the energy released during a chemical reaction.

Answer

Potential energy is the energy of motion.

Question 4

What is the formula for potential energy

Accepted Answer

PE = mgh

Answer

PE = mvt

Answer

PE = Fd

Answer

PE = F X D

Question 5

The formula for potential energy is weight x ____________?

Accepted Answer

height

Answer

mass

Answer

velocity

Answer

time

Question 6

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

Accepted Answer

Chemical energy

Answer

Thermal energy

Answer

Kinetic energy

Answer

Nuclear energy

Question 7

Growing an apple tree is what type of energy conversion

Accepted Answer

Light to chemical energy conversion

Answer

Mechanical to electrical energy conversion

Answer

Chemical to thermal energy conversion

Answer

Nuclear to solar energy conversion

Question 8

What is the Law of Conservation of Energy

Accepted Answer

Energy cannot be created or destroyed, only transformed.

Answer

Energy can be created and destroyed.

Answer

Energy is a fixed quantity that cannot change.

Answer

Energy can only be created from matter.

Question 9

When is potential energy the greatest in a roller coaster?

Accepted Answer

At the highest point of the roller coaster.

Answer

At the lowest point of the roller coaster.

Answer

When the coaster is going uphill.

Answer

During the loop-de-loop section.

Question 10

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

Accepted Answer

thermal

Answer

light

Answer

sound

Answer

motion

Question 11

Energy is measured in

Accepted Answer

joules

Answer

amps

Answer

volts

Answer

watts

Question 12

_________________ is energy that is available for release from chemical reactions

Accepted Answer

Chemical energy

Answer

Nuclear energy

Answer

Mechanical energy

Answer

Thermal energy

Question 13

Which energy is caused by an object's vibrations?

Accepted Answer

Sound energy

Answer

Kinetic energy

Answer

Nuclear energy

Answer

Thermal energy

Question 14

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

Accepted Answer

Energy transformation

Answer

Energy conservation

Answer

Energy depletion

Answer

Energy transfer

Question 15

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

Accepted Answer

Elastic potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Chemical energy

Question 16

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

Accepted Answer

thermal energy

Answer

chemical energy

Answer

potential energy

Answer

nuclear energy

Question 17

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

Accepted Answer

Chemical energy

Answer

Thermal energy

Answer

Kinetic energy

Answer

Nuclear energy

Question 18

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

Accepted Answer

Kinetic energy

Answer

Chemical energy

Answer

Thermal energy

Answer

Potential energy

Question 19

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

Accepted Answer

292.5 Joules

Answer

450 Joules

Answer

150 Joules

Answer

75 Joules

Question 20

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

Accepted Answer

120 joules

Answer

30 joules

Answer

240 joules

Answer

60 joules

Question 21

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

Accepted Answer

120 joules

Answer

100 joules

Answer

80 joules

Answer

150 joules

Question 22

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?

Accepted Answer

20 joules

Answer

15 joules

Answer

10 joules

Answer

25 joules

Question 23

A ball rolling down a hill is a type of energy

Accepted Answer

kinetic energy

Answer

nuclear energy

Answer

thermal energy

Answer

potential energy

Question 24

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

Accepted Answer

potential energy

Answer

kinetic energy

Answer

thermal energy

Answer

nuclear energy

Question 25

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

Accepted Answer

matter and energy

Answer

gravity and time

Answer

light and sound

Answer

space and matter

Question 26

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

Accepted Answer

Electrical energy

Answer

Chemical energy

Answer

Nuclear energy

Answer

Mechanical energy

Question 27

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

Accepted Answer

ME = PE + KE

Answer

ME = PE * KE

Answer

ME = KE / PE

Answer

ME = PE - KE

Question 28

Energy that comes from changes in the nucleus of an atom

Accepted Answer

Nuclear energy

Answer

Solar energy

Answer

Wind energy

Answer

Geothermal energy

Question 29

Define fossil fuel.

Accepted Answer

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

Answer

Fossil fuel is a renewable energy source from solar panels.

Answer

Fossil fuel is a type of mineral found in rocks.

Answer

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

Question 30

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

Accepted Answer

Perpetual motion machines

Answer

Simple machines

Answer

Closed systems

Answer

Energy-efficient devices

Question 31

The source of practically all our energy is _______________________.

Accepted Answer

the sun

Answer

ocean currents

Answer

volcanic activity

Answer

the moon

Question 32

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

Accepted Answer

renewable

Answer

Nonrenewable

Question 33

Hydroelectric energy is due to ________________________.

Accepted Answer

water

Answer

geothermal heat

Answer

solar panels

Answer

air

Question 34

_______________ energy is caused by the movement of electrons.

Accepted Answer

Electrical energy

Answer

Chemical energy

Answer

Nuclear energy

Answer

Thermal energy

Question 35

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

Accepted Answer

mechanical energy

Answer

thermal energy

Answer

nuclear energy

Answer

chemical energy

Question 36

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

Accepted Answer

Thermal energy

Answer

Kinetic energy

Answer

Potential energy

Answer

Mechanical energy

Question 37

Elastic potential energy is

Accepted Answer

energy due to compression or expansion of an elastic object

Answer

the energy released during an elastic collision

Answer

the energy required to stretch a rubber band

Answer

the energy associated with gravitational potential energy

Question 38

Gravitational potential energy is

Accepted Answer

the energy an object has due to its position in a gravitational field

Answer

the energy an object has due to its temperature

Answer

the energy an object has due to its speed

Answer

the energy an object has due to its mass

Question 39

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

Accepted Answer

Energy transformation

Answer

Energy transfer

Answer

Energy conversion

Answer

Energy shift

Question 40

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

Accepted Answer

Solar energy

Answer

Hydroelectric energy

Answer

Wind energy

Answer

Geothermal energy

Question 41

Define wind energy.

Accepted Answer

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

Answer

Wind energy is derived from fossil fuels.

Answer

Wind energy is a type of solar energy.

Answer

Wind energy is generated by burning coal.

Question 42

Thermal energy increases as ________________ and __________________ increase.

Accepted Answer

temperature and mass

Answer

pressure and mass

Answer

volume and matter

Answer

mass and volume

Question 43

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

Accepted Answer

thermal expansion

Answer

thermal insulation

Answer

thermal conductivity

Answer

thermal contraction

Question 44

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

Accepted Answer

Heat

Answer

Power

Answer

Work

Answer

Energy

Question 45

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

Accepted Answer

6 J

Answer

4 J

Answer

8 J

Answer

10 J

Question 46

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

Accepted Answer

78.48 J

Answer

50 J

Answer

20 J

Answer

100 J

Question 47

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

Accepted Answer

58.8 J

Answer

20 J

Answer

100 J

Answer

45 J

Question 48

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?

Accepted Answer

80 Joules

Answer

60 Joules

Answer

40 Joules

Answer

100 Joules

Question 49

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

Accepted Answer

200 Joules

Answer

100 Joules

Answer

400 Joules

Answer

50 Joules

Question 50

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

Accepted Answer

67.5 J

Answer

30 J

Answer

90 J

Answer

45 J

Question 51

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

Accepted Answer

Chemical to thermal energy

Answer

Nuclear to electrical energy

Answer

Thermal to potential energy

Answer

Mechanical to chemical energy

Question 52

Which of the following is an example of kinetic energy?

Accepted Answer

A moving car

Answer

A book on a shelf

Answer

A battery

Answer

A compressed spring

Question 53

What kind of energy is represented in this picture?

Accepted Answer

Thermal

Answer

Potential

Answer

Nuclear

Answer

Mechanical

Question 54

What kind of energy does this device use?

Accepted Answer

Electrical

Answer

Chemical

Answer

Thermal

Answer

Chemical

Question 55

Which is an example of light energy?

Accepted Answer

flash light

Answer

lawn mower

Answer

blender

Answer

speaker

Question 56

Generators are devices that convert _____ energy into _____ energy.

Accepted Answer

mechanical; electrical

Answer

chemical; mechanical

Answer

electrical; mechanical

Answer

potential; kinetic

Question 57

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

Accepted Answer

chemical energy to mechanical energy

Answer

electrical energy to chemical energy

Answer

chemical energy to light energy

Answer

mechanical energy to chemical energy

Question 58

What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?

Accepted Answer

An electric toothbrush

Answer

A toaster

Answer

A flashlight

Answer

An iron

Question 59

A battery converts (changes) _____________________ to electrical energy.

Accepted Answer

chemical

Answer

kinetic

Answer

potential

Answer

thermal

Question 60

The food we eat is a source of ...

Accepted Answer

Chemical Energy

Answer

Mechanical Energy

Answer

Sound Energy

Answer

Radiant Energy

Question 61

Which of these has stored chemical energy?

Accepted Answer

a match

Answer

lightning

Answer

microwave oven

Answer

light

Question 62

A bicycle is an example of what type of energy?

Accepted Answer

Mechanical

Answer

Heat

Answer

Light

Answer

Sound

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