Welcome!

YOUR NAME (OR NAMES IF GROUP PROJECT): _________________________________


As you go through the CEA Light Tour, you'll be using this question/answer form to answer the questions on your computer screen.

Good Luck!

WWW PAGE ONE: LIGHT TYPES

CIRCLE all of the light types you discovered in the LIGHT PUZZLE:

WWW PAGE TWO: THE SIZE OF AN ANGSTROM

  1. What type of light has wavelengths the length of the following objects (fill in the blanks):

    1. Molecule:_________________________

    2. Blood Cell:_____________________

    3. Fly:_____________________

    4. Butterfly:_____________________

    5. Earth:_____________________

  2. What is true of a wavelength of visible light (place an "x" by the correct response):
    • Smaller than a molecule
    • Smaller than a blood cell but larger than a molecule
    • Larger than a blood cell but smaller than a fly
    • Larger than a fly but smaller than a butterfly
    • Larger than a butterfly but smaller than the Earth
    • Larger than the Earth

      Can you briefly explain why the light we see (visible light) is the length that it is? (Hint: Think about the size of the human body):

      
      
      
      
      

  3. Can You Recognize the Type of Light in Spectra?

    The spectrum of white dwarf star Sirius_B is in:
    _________________________________ (fill in light type)

    The spectrum of Galactic Hydrogen Line is in:
    _________________________________ (fill in light type)




WWW PAGE THREE: ELECTROMAGNETIC SPECTRUM