ELECTROMAGNETIC WAVES

4. light source that produced light instead of natural lights produced by the sun
6. the transfer of energy by waves that can travel through a vacuum
9. the property of a wave related to its height from the baseline
15. this wave is also known as heat radiation
16. device used to send and receive radio signals
17. a french physicist who developed _ law
19. the EM spectrum is a continuum of EM waves arranged according to frequency and __
21. a german physicist who applied Maxwell theories to the production and reception of radio wave
23. property of EM waves allows them to travel through space without a medium
25. EM waves are classified by this property measured in hertz
26. the unit of measure for EM frequency
27. the bundles of wave energy
28. the charged particles that can produce electric field and magnetic field
30. the lowest point on a wave

1. the change in direction of a wave passing from one medium to another caused by its change in speed
2. the segment of the EM spectrum that the human eye can view
3. waves that created as a result of vibrations
5. high frequency waves used for sterilization
7. the highest point on a wave
8. phenomenon in which certain materials emit light when exposed to EM radiation
10. waves used in kitchen appliances to heat food
11. a protective layer in the atmosphere that absorbs most of the sun's harmful rays
12. this radiation does not have enough energy to remove electrons from atoms and molecules
13. used to take images of bones in hospitals
14. type of EM wave with the longest wavelength
18. waves that propagated outward from the source of perpendicular to the direction of the waves travelling
20. the most energetic EM wave often used in cancer treatments
22. Michael Faraday is best known for his discovery of electromagnetic _
24. type of material that partially allows the transmission of light waves but scatters them
29. radiation used to detect weather patterns and storms