Across
- 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.
Down
- 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