Science

1. Energy that comes from sources that can be naturally replenished, like sunlight or wind.
4. A measure of how much a material or component opposes the flow of electric current.
9. A material that allows electricity to flow through easily.
10. Energy derived from the movement of air.
11. The force or pressure that makes electricity flow through circuits.
13. Energy derived from the heat inside the Earth.
16. The ability to do work or the capacity to make things happen.
17. The ability to do work or make things happen.
19. Energy derived from organic materials, such as plants or wood.
21. An interconnected system of power lines used to transmit electricity.

2. A device that stores and produces electrical energy.
3. A machine that converts mechanical energy into electrical energy.
5. Relating to or powered by the Sun.
6. The ability to use energy or resources effectively and without waste.
7. Energy produced through the splitting (fission) or joining (fusion) of atomic nuclei.
8. Energy generated from flowing water, such as from rivers or dams.
12. Energy that comes from sources that cannot be easily replaced, like fossil fuels (coal, oil, natural gas).
14. A device that changes the voltage of electric current.
15. The interaction between electricity and magnetism.
18. A material that does not easily conduct electricity.
20. The force or pressure that makes electricity flow in a circuit.