Main Lesson: Click the flag to start. Once the polar bear moves and nothing happens, press the space bar. Bonus Features (Only do once the Main Lesson is over): Press the up arrow for microwave emitters (pictures). Press the down arrow for microwave detectors (pictures). Press the right arrow for more pictures.
Bibliography Information: Prentice Hall Science Explorer: Sound and Light http://en.wikipedia.org/wiki/Microwave http://en.wikipedia.org/wiki/Microwave_oven Pictures: https://images.google.com/
