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Electromagnetic Radiation

Electromagnetic Radiation. Mrs. Lisa Messina. DO NOW :. What are the colors of the rainbow? (in order). Visible Light *White light seen through a glass prism. Key: ROY G BIV Red, Orange, Yellow, Green, Blue, Indigo, Violet. Energy. All energy travels in waves.

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Electromagnetic Radiation

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  1. Electromagnetic Radiation Mrs. Lisa Messina

  2. DO NOW: • What are the colors of the rainbow? (in order)

  3. Visible Light*White light seen through a glass prism Key: ROY G BIV Red, Orange, Yellow, Green, Blue, Indigo, Violet

  4. Energy • All energy travels in waves. • Waves are like signals

  5. Wavelength and Amplitude • Wavelength- The distance between each wave. Amplitude- The height of a wave.

  6. Frequency Frequency- How many waves per second.

  7. Do Now: Copy this diagram.ELECTROMAGNETIC Radiation

  8. Electromagnetic Radiation

  9. Video clip (Bill Nye Waves) • http://www.youtube.com/watch?v=OGyRe_SGnck • http://optics.synopsys.com/learn/kids/optics-kids-light.html

  10. Video clip- Light (Bill Nye) • http://www.youtube.com/watch?v=CuQMRNg7Zkk • http://optics.synopsys.com/learn/kids/optics-kids-light.html

  11. Video clip – Sound (Bill Nye) • http://www.youtube.com/watch?v=iJ27q5QHU1U

  12. Exit ticket • How is the electromagnetic spectrum organized? • In other words, what is the difference between x-rays, gamma rays, visible light and radio waves?

  13. Do Now: • List at least 3 forms of electromagnetic radiation.

  14. ABC Summarizer Think about the various topics covered this year in science. Use a term for each letter of the alphabet and write one sentence to show your knowledge of that term. A- Attraction (Opposite poles attract.) B- Batteries (Batteries can be an energy source.) C- Cell Membrane (It protects a cell.) etc…

  15. DO NOW: • Define wavelength. • Define amplitude. • Define frequency.

  16. HEAT • Conduction: Transfer of heat by direct contact of particle of matter. • Convection: The transfer of heat by movement of heated fluids.

  17. What did we learn? • Waves travel in straight lines • Waves scatter when they hit particles in the atmosphere • Reflection – bouncing back • Refraction - Waves bend when they change medium (water, oil, prism) • Waves go through some materials and not others - Opaque, transparent, translucent • Fiber optics bend light and carries information

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