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Mr. E. Science
The Nature of Electromagnetic Waves
Imagine a presentation that covers electromagnetic waves, electromagnetic radiation, radio waves, microwaves, the visible light spectrum, UV, X-ray, and gamma rays. Here's one. Packed with facts and colorful illustrations, 11-slide...
CK-12 Foundation
Ck 12: Physical Science: Radio Waves
[Free Registration/Login may be required to access all resource tools.] Radio waves and how they are used for AM and FM radio and television.