Across
- 4. All electromagnetic waves travel at the speed of _______.
- 6. Layer Helps protect us from the earth's ultra violet light
- 7. Ultraviolet waves have the ________ energy
- 10. The smaller the wavelength the _______ the energy.
- 12. Used to penetrate solids i a doctor'sight office or airport
- 13. Wave with the longest wavelength
- 15. Rays Deadly waves used in weapons
- 16. Emitted by microwaves and cellphones
- 18. The energy increases as you move left to right on the electromagnetic spectrum.
- 19. Spectrum The range of electromagnetic waves placed in a certain order
- 20. Light Can be seen by eyes and has a color spectrum
Down
- 1. These waves can be harmful to the skin
- 2. There are _______ different types of radiation listed in the electromagnetic spectrum
- 3. Waves Varies the frequency of the wave
- 5. Electromagnetic waves are
- 8. Quantum of electromagnetic energy is
- 9. Reflected radio waves used to detect objects and their distance and speed.
- 11. Type of radiation that senses heat
- 14. Electromagnetic radiation is produced by ______ changing energy levels
- 17. Waves Varies the amplitude of the wave
