This sheet is intended to give students a basic overview of what could be on the test 3/9/99
Students have also recieved worksheets to study from and will review in class 3/8/99.

Vocabulary: be able to define and apply the following words

vibrations longitudinal waves compression/rare faction transverse crests/troughs wavelength frequency/hertz amplitude electromagnetic spectrum convex concave magnify diffraction grating prism focal length focal point fiber optics

additive/ subtractive color pigment rods cones retina lens photon infrared incandescent filament incident normal virtual image real image long/ short focus lenses converge diverge

Be able to draw:

• How a lense converges or diverges the rays of light
• How a prism splits light into the spectrum
• A projector, telescope, microscope, and camera
• Fill in the missing colors in a color wheel of additive (light) color
• How a rainbow occurs

 Sources: The information for this unit was drawn from..

Wave Energy Text pages 26-51
College Physics Text pages 435-446
The Way Things Work pages 186 - 227
Basic Physics pages 113-138
More than Magnifiers - Lab
Color Analyzers - Lab

Web Links: students should check these pages out

useful links page pcds
Rader's Physics4Kids:Light
How Things Work: Sunlight
Eric's Treasure Trove of Physics
Optics for Kids
Light and Optics Modules