Energy

5. Energy – The sum of kinetic and potential energy in an object.
6. Energy – Energy caused by vibrations that travel through a medium (like air or water).
9. Energy – Energy caused by the movement of electrons.
10. Fuels – Energy sources formed from the remains of ancient plants and animals, like coal, oil, and natural gas.
11. Energy – Energy that comes from resources that are naturally replenished (like solar, wind, or hydro energy).
15. Energy – Energy related to the temperature of an object (heat energy).
16. – The transfer of heat or electricity through a material.
17. – The movement of heat in a fluid (liquid or gas) caused by the rising of warm and sinking of cool parts.
19. Efficiency – Using less energy to perform the same task.
20. Transfer – The movement of energy from one object or system to another.

1. Energy – Energy that can be seen (like from the sun or light bulbs).
2. Energy – Energy stored in the bonds of atoms and molecules (like in food or fuel).
3. Energy – Energy of motion.
4. Energy – Stored energy based on position or condition.
7. Circuit – A path through which electric current flows.
8. Energy – Energy from the sun.
12. Energy – Energy from the movement of air (wind).
13. – The ability to do work or cause change.
14. Energy – Energy from sources that can’t be easily replaced once used (like coal, oil, and natural gas).
18. Conservation – The practice of using less energy or using energy more efficiently.