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Friday March 20, 2009

Friday March 20, 2009. EQ: How do we perceive Color? Journal: Answer the EQ using complete sentences. Friday March 20, 2009. EQ: How do we perceive color? Agenda: Journal/Discussion Review Color Filter Lab Spectrum Lab Discussion. Wednesday March 18, 2009. Color by number

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Friday March 20, 2009

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  1. FridayMarch 20, 2009 EQ: How do we perceive Color? Journal: Answer the EQ using complete sentences.

  2. FridayMarch 20, 2009 EQ: How do we perceive color? Agenda: • Journal/Discussion • Review Color Filter Lab • Spectrum Lab • Discussion

  3. WednesdayMarch 18, 2009 • Color by number • Color each space with appropriate color. • Look at picture with each colored filter. • One will allow you to see a secret message. • Write down the color filter that worked and the message revealed.

  4. The Electromagnetic Spectrum (EMS) • EMS- name for the range of waves when placed in order of increasing frequency.

  5. Mnemonic Device for the order... Respucia’s =Radio Mom =Micro Is =Infrared Very =Visible Light Ugly =Ultraviolet Xcept when =X-rays Giggling =Gamma Rays

  6. Radio Waves (LLL) Long Wavelength, Low Freq, Low Energy. • Radio signal • TV signal

  7. Micro Waves • Microwave Ovens • Cell Phones • Radar • MRI

  8. Infrared Waves • Energy is felt as heat. • Toaster, Stove top, Hair Dryers. Used in cameras/scopes for night vision.

  9. ROY G BIV= Red, orange, yellow, green, blue, violet Visible Light

  10. Ultraviolet • Kills bacteria in hospitals. • Makes Vitamin D in the body= strong bones and teeth. • Too much = skin cancer and damage eyes.

  11. X-rays • Pass through human tissue to take photos of bones. • Dark areas show cracks or cavities.

  12. Gamma Rays • (HHS) High Energy, High Freq. Short wavelength. • Can go through objects the easiest of all waves. • Treatment for cancer • Too much=serious illness

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