Energy in Action: A Comprehensive Guide for Third Graders

Question 1

What object works by using electricity as its main energy source?

Accepted Answer

Flashlight

Answer

Windmill

Answer

Solar panel

Answer

Water turbine

Question 2

How can you move heat energy from one object to another?

Accepted Answer

By touching them together

Answer

Through the air

Answer

With a battery

Answer

Using a magnet

Question 3

Which of these is a way to get energy that will never run out?

Accepted Answer

Wind

Answer

Coal

Answer

Natural gas

Answer

Oil

Question 4

Why do people put insulation in their houses?

Accepted Answer

To keep it warm in winter

Answer

To prevent leaks

Answer

To protect from fire

Answer

To improve water flow

Question 5

What happens to energy when a light bulb turns on?

Accepted Answer

Electrical energy becomes light energy

Answer

Light energy becomes heat energy

Answer

Heat energy becomes electrical energy

Answer

Wind energy becomes electrical energy

Question 6

Which of these is NOT a type of energy?

Accepted Answer

Water

Answer

Light

Answer

Heat

Answer

Wind

Question 7

How does a solar panel make electricity?

Accepted Answer

By using sunlight to create heat

Answer

By capturing the wind

Answer

By burning fossil fuels

Answer

By using nuclear power

Question 8

Which of the following is not a form of energy?

Accepted Answer

Plant

Answer

Light

Answer

Sound

Answer

Gravity

Question 9

Which of the following is an example of energy that is stored?

Accepted Answer

A ball sitting on a table

Answer

A car driving down the street

Answer

A light bulb turned on

Answer

Water flowing in a river

Question 10

What is the process called when heat moves through a solid object?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Transfer

Question 11

Which of these is NOT a form of energy?

Accepted Answer

Excitement

Answer

Heat

Answer

Light

Question 12

Where do plants get their energy from?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Answer

Soil

Question 13

What is the purpose of a conductor?

Accepted Answer

To let energy flow easily

Answer

To block the flow of energy

Answer

To store energy

Answer

To change energy from one form to another

Question 14

Which of these is a good conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Air

Question 15

What is the difference between potential energy and kinetic energy?

Accepted Answer

Potential energy is stored energy, while kinetic energy is energy of motion.

Answer

Kinetic energy is stored energy, while potential energy is energy of motion.

Answer

They are the same thing.

Answer

There is no difference.

Question 16

What does the law of conservation of energy state?

Accepted Answer

Energy can be changed from one form to another, but not created or destroyed.

Answer

Energy can be created or destroyed.

Answer

Energy can be transferred from one object to another, but not created or destroyed.

Answer

Energy can be created, destroyed, or transferred.

Question 17

Which of these uses solar energy?

Accepted Answer

Solar panel

Answer

Battery

Answer

Light bulb

Question 18

What is the name of the process by which plants make food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Combustion

Question 19

Which of these is a renewable source of energy?

Accepted Answer

Wind energy

Answer

Coal

Answer

Natural gas

Question 20

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Electrical energy

Answer

Sound energy

Question 21

What can we do to save energy?

Accepted Answer

Turn off lights when we leave a room.

Answer

Use a hair dryer for a long time.

Answer

Play video games all day.

Question 22

What is the unit used to measure energy?

Accepted Answer

Joule

Answer

Watt

Answer

Ampere

Question 23

Which of these materials can conduct electricity well?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Question 24

What is the difference between thermal energy and heat?

Accepted Answer

Thermal energy is the total energy of all molecules in an object, while heat is the transfer of thermal energy from one object to another.

Answer

Heat is the total energy of all molecules in an object, while thermal energy is the transfer of heat from one object to another.

Answer

Thermal energy and heat are the same.

Question 25

Which of these is NOT a form of energy?

Accepted Answer

Imagination

Answer

Heat

Answer

Light

Answer

Sound

Question 26

What happens when energy moves from one thing to another?

Accepted Answer

The first thing loses energy and the second thing gains energy

Answer

Both things lose energy

Answer

Both things gain energy

Answer

Nothing happens

Question 27

Which of these is a renewable energy source?

Accepted Answer

Sunlight

Answer

Coal

Answer

Oil

Answer

Natural gas

Question 28

What is the main thing plants need to make energy?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Answer

Soil

Question 29

What is the name for the energy that something has because it is moving?

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Thermal energy

Answer

Chemical energy

Question 30

Besides Heat, Light, and Sound, what is NOT a form of energy?

Accepted Answer

Money

Answer

Water

Answer

Wind

Answer

Fire

Question 31

What happens when energy is transferred?

Accepted Answer

It changes its form

Answer

It is created

Answer

It is destroyed

Answer

It disappears

Question 32

Which of the following is NOT a source of energy?

Accepted Answer

The Moon

Answer

Coal

Answer

Wind

Answer

Water

Question 33

What is the main reason we use batteries?

Accepted Answer

To store energy

Answer

To save energy

Answer

To move energy

Answer

To create energy

Question 34

What does the Law of Conservation of Energy tell us about energy?

Accepted Answer

It cannot be created or destroyed, only transferred and changed

Answer

It can be created or destroyed anytime

Answer

It can only be created, not destroyed

Answer

It can only be destroyed, not created

Question 35

Which of the following shows kinetic energy?

Accepted Answer

A bouncing ball

Answer

A book resting on a desk

Answer

A growing plant

Answer

A parked bicycle

Question 36

How are potential energy and kinetic energy different?

Accepted Answer

Potential energy is stored energy, while kinetic energy is energy in motion

Answer

Kinetic energy is stored energy, while potential energy is energy in motion

Answer

Potential energy and kinetic energy are the same thing

Answer

Potential energy is energy in motion, while kinetic energy is stored energy

Question 37

How can using different ways to get energy impact our environment?

Accepted Answer

Our air can get polluted.

Accepted Answer

Our water can get polluted, too.

Accepted Answer

Our weather can change in ways we don't like.

Answer

No impact, it's all good!

Question 38

Which of the following activities does NOT require using energy?

Accepted Answer

Sleeping

Answer

Walking

Answer

Watching TV

Answer

Talking

Question 39

Which type of energy makes objects move?

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Chemical energy

Answer

Thermal energy

Question 40

How is energy transferred from one object to another by direct touching?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Transformation

Question 41

Which device turns electrical energy into light energy?

Accepted Answer

Light bulb

Answer

Battery

Answer

Fan

Answer

Microscope

Question 42

What happens to an object's temperature when it absorbs energy?

Accepted Answer

It gets warmer

Answer

It gets cooler

Answer

It stays the same

Answer

It becomes negative

Question 43

Which source of energy cannot be replaced once it is used up?

Accepted Answer

Coal

Answer

Solar energy

Answer

Wind energy

Answer

Hydropower

Question 44

What is the unit scientists use to measure energy?

Accepted Answer

Joule

Answer

Newton

Answer

Celsius

Answer

Watt

Question 45

When energy moves from one object to another object, what happens?

Accepted Answer

The object with less energy gains energy from the object with more energy.

Answer

The energy is lost.

Answer

The energy is created.

Question 46

Which of these is a source of energy for electricity in many power stations?

Accepted Answer

Fossil fuels

Answer

Wind

Answer

Sunlight

Answer

Water

Question 47

Which action is a good example of conserving energy?

Accepted Answer

Turning off the lights when leaving a room.

Answer

Taking a long, hot bath.

Answer

Leaving the TV on when you're not watching it.

Answer

Using a hairdryer to dry your hair.

Question 48

What happens to the energy in a closed system?

Accepted Answer

The total amount of energy remains the same.

Answer

The energy changes form.

Answer

The energy decreases.

Answer

The energy increases.

Question 49

Which activity listed below requires the most energy?

Accepted Answer

Riding a bike

Answer

Walking

Answer

Sitting still

Answer

Sleeping

Question 50

What is the main energy source for plants?

Accepted Answer

Sunlight

Answer

Soil

Answer

Water

Answer

Air

Question 51

Which one of these is a renewable energy source?

Accepted Answer

Solar power

Answer

Coal

Answer

Nuclear power

Answer

Natural gas

Question 52

What is the main purpose of a solar panel?

Accepted Answer

To convert sunlight into electricity.

Answer

To generate heat.

Answer

To store energy.

Answer

To amplify sound.