Across
- 1. what microwaves do off the metal
- 4. imaging for broken bones
- 7. used for tanning beds
- 10. A molecule that has a distinct positive and negative side
- 14. tube where x-rays come from
- 15. excites electrons
- 16. applying force
- 18. length distance from wave to wave
- 19. used for thermal imaging cameras
- 20. charged particles (energy) that can move through empty space by alternating moving through the electric and magnetic fields
Down
- 2. number of wave crests in a certain amount of time
- 3. absorbs microwave radiation
- 5. used for aircraft navigation
- 6. used to destroy cancer cells
- 8. how tall the waves are
- 9. microwaves blast these to heat up your food
- 11. used to detect speeding cars
- 12. denser on the outside, so it doesn't get heated by microwaves
- 13. shoots out microwaves
- 17. how many different types of waves are there?
