Conservation of Energy

1.

Multiple Choice

30 sec

1 pt

What does the Law of Conservation of Energy state about energy?

Energy can be created and destroyed at will.

Energy can neither be created nor destroyed, only transformed.

Energy is constantly being created from nothing.

Energy can be destroyed but not created.

2.

Multiple Choice

30 sec

1 pt

What is radiant energy also referred to as?

Thermal energy

Solar energy

Chemical energy

Mechanical energy

3.

Multiple Choice

30 sec

1 pt

What is thermal energy used for?

To see in the dark

To heat objects

To move objects

To generate electricity

4.

Multiple Choice

30 sec

1 pt

Which of the following is a source of radiant energy?

Wind

Lightbulbs

Batteries

Engines

5.

Multiple Choice

30 sec

1 pt

What is another term for radiant energy?

Sound energy

Light energy

Kinetic energy

Potential energy

6.

Multiple Choice

30 sec

1 pt

What is the source of electrical energy as mentioned in the learning material?

Batteries

Outlets and power plants

Solar panels

Wind turbines

7.

Multiple Choice

30 sec

1 pt

Sound energy is often used for what purpose according to the learning material?

Heating

Communication

Cooking

Lighting

8.

Multiple Choice

30 sec

1 pt

According to the learning material, nuclear energy comes from what part of an atom?

The electron

The nucleus

The proton

The outer shell

9.

Multiple Choice

30 sec

1 pt

What is the primary use of nuclear energy as mentioned in the learning material?

In electric cars

In solar panels

In nuclear power plants

In wind turbines

10.

Multiple Choice

30 sec

1 pt

What is electromagnetic energy?

Energy that can only travel through solid materials

Energy in the form of sound waves

Energy that is reflected or emitted in the form of electrical and magnetic waves that can travel through space

Energy that is only used in mechanical devices

11.

Multiple Choice

30 sec

1 pt

Which of the following is an example of a device that uses electromagnetic energy?

Bicycle

Gasoline engine

Cell phone

Wooden spoon

12.

Multiple Choice

30 sec

1 pt

What type of energy conversion is represented by solar panels?

Chemical to electrical

Solar to chemical

Solar to electrical

Electrical to light

13.

Multiple Choice

30 sec

1 pt

What type of energy conversion occurs in a light bulb?

Solar to electrical

Electrical to thermal

Chemical to electrical

Electrical to light

14.

Multiple Choice

30 sec

1 pt

Which type of energy conversion is depicted by fireworks?

Chemical to light

Electrical to light

Solar to electrical

Chemical to thermal

15.

Multiple Choice

30 sec

1 pt

What type of energy conversion is taking place in photosynthesis?

Kinetic to Sound

Solar to Chemical

Electrical to Electromagnetic

Chemical to Electrical

16.

Multiple Choice

30 sec

1 pt

Which type of energy transfer is represented by a smartphone being charged?

Solar to Chemical

Kinetic to Sound

Electrical to Electromagnetic

Chemical to Electrical

17.

Multiple Choice

30 sec

1 pt

What type of energy transfer is depicted by a person playing the guitar?

Electrical to Electromagnetic

Solar to Chemical

Kinetic to Sound

Chemical to Electrical

18.

Multiple Choice

30 sec

1 pt

What does mechanical energy consist of in a system?

Only kinetic energy

Only potential energy

Both kinetic and potential energy

Neither kinetic nor potential energy

19.

Multiple Choice

30 sec

1 pt

What happens to gravitational potential energy (GPE) as an object falls?

It increases

It remains constant

It converts to kinetic energy (KE)

It disappears

20.

Multiple Choice

30 sec

1 pt

According to the Law of Conservation of Energy, what happens to mechanical energy in the system described?

It increases as the object falls

It decreases as the object falls

It remains constant

It is not conserved

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