Light, EM Spectrum

5. The portion of the electromagnetic spectrum that is visible to the human eye.
7. The range of all types of electromagnetic radiation.
8. The emission of light from a hot object.
9. The emission of light by a substance that has absorbed light or other electromagnetic radiation.
10. The highest-energy form of electromagnetic radiation, often produced by radioactive materials.
14. A type of light that is not visible and can cause skin damage.
15. A form of high-energy radiation used for imaging inside the body.
16. Describes an object that emits light.
17. A type of electromagnetic radiation with the longest wavelength.

1. Electromagnetic radiation with wavelengths longer than visible light, often felt as heat.
2. The process of absorbing light and then re-emitting it over time.
3. The production of light by living organisms, such as fireflies.
4. Light produced by a chemical reaction without heat.
6. The release of electricity stored in a source, often seen as a spark or lightning.
11. Describes an object that does not emit light but can be seen by reflecting light.
12. Electromagnetic waves used in cooking and some forms of communication.
13. A source of energy which travels as a wave