Across
- 1. waves that have electrical and magnetic properties
- 4. the way to remember the sequence of light colors
- 10. when light passes through materials
- 11. different wavelengths of light make different ones
- 13. when light energy changes to heat energy in materials
- 14. light is an electromagnetic
- 15. the frequency that carries more energy
- 16. When light bounces off materials
Down
- 2. material that lets some light through
- 3. the amplitude of light is related to this
- 5. light does not need this to travel
- 6. material that lets all light through
- 7. the highest frequency electromagnetic waves
- 8. material that blocks all light
- 9. light that we can see
- 12. light always travels in this type of line