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- 1. Multiple Choice
Why might solar-powered devices have problems running at night?
They won't have problems
Because solar-powered devices use the sun for power
Because it is cooler at night
Starlight and moonlight will keep them running
- 2. Multiple Choice
A ___________ is something made for a particular purpose.
Battery
Fuel
Device
Combustion
- 3. Multiple Choice
___________ is the process of burning a fuel to produce heat and/ or light.
Deforestation
Construction
Elimination
Combustion
- 4. Multiple Choice
_____________ is a material that releases energy in the form of heat as it is burned.
Fuel
Device
Combustion
Primary
- 5. Multiple Choice
Select an option which needs energy to function.
Humans
Vehicles
Lamps
Cities
- 6. Multiple Choice
What type of energy do plants use to store energy?
Chemical energy
Kinetic energy
Solar energy
Thermal energy
- 7. Multiple Choice
Use the picture to help you choose your answer.
What type of energy conversion is happening in the boiler?
Heat to kinetic
Kinetic to electrical
Chemical to heat
Heat to electrical
- 8. Multiple Choice
What is a turbine?
A device that spins as gas flows and changes the heat energy of the steam into energy of motion.
A device in which coal is burned, building up heat which then changes water to steam.
A device which produces electricity.
A device which changes energy of motion into electrical energy.
- 9. Multiple Choice
Energy of motion is also called ______________ energy.
Kinetic
Chemical
Thermal
Electrical
- 10. Multiple Choice
What do batteries do?
They provide portable electrical energy.
They store chemical energy.
They convert chemical energy to electrical energy.
They help power devices like remotes, iPhones, and even cars.
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