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Topic: Electricity and Magnetism

Change grade range

Resource	Grade Level	Media Type
Geometric Optics This interactive simulation adapted from the University of Colorado's Physics Education Technology project illustrates how lenses refract light to form images. Manipulate the object, screen, lens, and focal length and observe how the image adjusts.	6-12	Flash Interactive
Imaging with Radar This interactive activity from NOVA features synthetic aperture radar (SAR), which uses radio waves to create high-quality images. Examine SAR images of Washington, D.C., and learn about this technology's unique advantages.	6-12	Flash Interactive
Laser Waterfall In this video from the Encyclopedia of Physics Demonstrations, observe how a laser beam is trapped in a water jet because the light reflects against the surface of the water.	6-12	QuickTime Video
Lightning Hunters Find out how scientists and engineers use rockets to attract lightning in this video segment adapted from NOVA.	3-12	QuickTime Video
Radio Waves & Electromagnetic Fields In this interactive simulation adapted from the University of Colorado's Physics Education Technology project, explore how a radio transmitter broadcasts electromagnetic radiation.	6-12	Java Web Start Interactive