2. Sun’s energy = __ –__ Topic: Energy from the sun

3. Electromagnetic Energy – __

4. Parts of a Wave Frequency = __

5. Shorter wavelength = _____ = _____ Larger wavelength = _____= _____

6. All electromagnetic waves… 1)Travel 300,000,000 m/sec (3x10 8 m/sec) 2)Wavelengths have different properties

7. Where do you think we can find information on the electromagnetic spectrum? Take out your ESRT, page 14

8. ESRT pg 14

9. 1. Radio Waves

10. 1) Radio Waves ___

11. 2) Microwaves

12. ___

13. 3) Infrared Waves

14. 3) Infrared ___

15. Infrared image of two burritos IR image of 2 burritos

16. Infrared camera finds a prone victim through thick smoke.

17. 4. Visible Light

18. We use this wavelength the most!

19. ___ Red = longestViolet = shortest

20. 5. Ultraviolet

21. 5) Ultraviolet Used to sterilize, as bacteria can be killed by UV. Picture from Matsutek Enterprises Co., Ltd. Picture from the College of Dental Science and Hospital

22. 5) Ultraviolet Causes skin to tan A sunburn, photographed 2 days after a 5- hour sun exposure. Some parts of the skin are unburned because they were covered by a bathing suit during the exposure. Skin Cancer

24. 6. X-Rays

25. 6) X-Rays Short wavelength  __ ___

26. 7) Gamma Rays

27. 7. Gamma Rays

28. 7) Gamma Waves ___ Gamma Ray burst

29. How different wavelengths are used in astronomy? Radio/Microwaves Infrared Visible light X -Rays Ultraviolet

30. Final Question What type of electromagnetic energy has the greatest amount of energy and how can you tell? http://www.polleverywhere.com/multiple_c hoice_polls/LTE1NDg4NTI5NTQ/webhttp://www.polleverywhere.com/multiple_c hoice_polls/LTE1NDg4NTI5NTQ/web