1. Day 12 5/25/11
Topic: Electromagnetic Spectrum (EMS) Objective: I will illustrate the relationship among wavelength, energy, and frequency as illustrated by the electromagnetic spectrum Science starter: What color(s) are being absorbed? What color(s) are being reflected?
flashlight
White light

2. EMS Notes from video clips

3. EMS

4. Electromagnetic Spectrum

5. Electromagnetic Spectrum
Radio Waves Frequency Range: Lowest frequency Wavelength Range: Largest wavelength Energy: Lowest energy Examples: FM radio Radar Wireless network

6. Electromagnetic Spectrum
Microwaves Frequency: 460 trillion Hz Wavelength Range: 12 inches to 1 mm Energy: Low Examples: Microwave Oven Cell phones Uses natural frequency of water

7. Electromagnetic Spectrum
Infrared Waves Frequency Range: 3X1011-4X1014 Wavelength Range: nm Energy: Examples: TV Remote Heat imaging Radiant heat

8. Electromagnetic Spectrum
Visible Light Waves Frequency Range: 4 X X1014 Wavelength Range: nm Energy: Red has lowest energy Violet has highest energy Examples: Red- Violet

9. Electromagnetic Spectrum
Ultraviolet Waves Frequency Range:7.5 X 1014—3X1016 Wavelength Range: nm Energy: higher Examples: Tanning Bed Black Light Blocked by: Ozone layer

10. Electromagnetic Spectrum
X-ray Waves Frequency Range: 3X1016—1X1020 Wavelength Range:10-1X10-12nm Energy: 124-1X106 Examples: X-Ray machine Research

11. Electromagnetic Spectrum
Gamma Waves Frequency Range: 1X1020 & larger Wavelength Range:1X10-12 nm & smaller Energy: 1X106 and larger Examples: Nuclear Energy Research

12. Almost all electromagnetic waves are invisible for the same reason you cannot see the magnetic field between two magnets. The exception is visible light.

13. Electromagnetic Spectrum

14. EMS

15. EMS Project: 100 Points Full Scale Drawing-25 points
Include all 7 categories-10 points
Examples of each category-10 points
Visible light section must represent all the colors- 25 points
Energy range (low to high)-10 points
Frequency range (low to high)- 10 points
Wavelength range (short to long)- 10 points