Electromagnetic spectrum

2. distance between the resting position and the maximum displacement of the wave.
3. no light is able to pass through them.
7. the bottom of a wave
11. radioactive decay of naturally-occuring radionuclide, lightning
14. A range of frequency's of electromagnetic radiation.
15. people use to see broken bones with.
16. allowing light, but not detailed shapes, to pass through
17. The colors of the rainbow in a small term.
18. a measurement of how often a recurring event such as a wave occurs in a measured amount of time.

1. the distance from one wave to another
4. Body waves that are reflected twice from the same reflector because of large structural relief.
5. a form of radiation that is emitted by the sun and artificial sources, such as tanning beds.
6. Humans can't see it but we know it as heat.
8. waves that are from radios.
9. the segment of the electromagnetic spectrum that the human eye can view
10. something u can see through.
12. It's radiation is from the sun and stars.
13. the top of a wave