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- 1. Multiple Choice
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
What is radiant energy also referred to as?
Thermal energy
Solar energy
Chemical energy
Mechanical energy
- 3. Multiple Choice
What is thermal energy used for?
To see in the dark
To heat objects
To move objects
To generate electricity
- 4. Multiple Choice
Which of the following is a source of radiant energy?
Wind
Lightbulbs
Batteries
Engines
- 5. Multiple Choice
What is another term for radiant energy?
Sound energy
Light energy
Kinetic energy
Potential energy
- 6. Multiple Choice
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
Sound energy is often used for what purpose according to the learning material?
Heating
Communication
Cooking
Lighting
- 8. Multiple Choice
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
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
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
Which of the following is an example of a device that uses electromagnetic energy?
Bicycle
Gasoline engine
Cell phone
Wooden spoon
- 12. Multiple Choice
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
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
Which type of energy conversion is depicted by fireworks?
Chemical to light
Electrical to light
Solar to electrical
Chemical to thermal
- 15. Multiple Choice
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
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
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
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
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
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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