energy

5. Producing and giving off light (e.g., the Sun, a light bulb, a candle).
7. When energy, such as light or sound, bounces back from a surface instead of being absorbed or transmitted.
8. When an object or material takes in energy (such as heat or light) instead of reflecting or passing it on.

1. The transfer of energy in the form of waves or particles, such as heat from the Sun reaching Earth through space.
2. A material that does not allow heat, electricity, or sound to pass through easily (e.g., rubber, wood, wool).
3. The movement or passing of energy (heat, light, sound, or electricity) through a material or from one place to another.
4. The ability to do work or cause change, such as moving an object, heating something, or producing light.
6. Energy from the Sun, captured by solar panels or other devices, and used to produce electricity or heat.