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

Electromagnetic Energy – __

Parts of a Wave Frequency = __

Shorter wavelength = _____ = _____ Larger wavelength = _____= _____

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

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

ESRT pg 14

1. Radio Waves

1) Radio Waves ___

2) Microwaves

___

3) Infrared Waves

3) Infrared ___

Infrared image of two burritos IR image of 2 burritos

Infrared camera finds a prone victim through thick smoke.

4. Visible Light

We use this wavelength the most!

___ Red = longestViolet = shortest

5. Ultraviolet

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

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

6. X-Rays

6) X-Rays Short wavelength  __ ___

7) Gamma Rays

7. Gamma Rays

7) Gamma Waves ___ Gamma Ray burst

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

Final Question What type of electromagnetic energy has the greatest amount of energy and how can you tell? hoice_polls/LTE1NDg4NTI5NTQ/webhttp:// hoice_polls/LTE1NDg4NTI5NTQ/web