After you have finished drawing the 4 waves on the Anatomy of a Wave handout, watch the 2 video's below.
Video 1: Bill Nye on Waves
Video 2: Sound and Light Travel in Waves
On the next blank page in your journal copy and answer the following questions:
1. What does Bill say is happening to sound waves when you hear an echo?
2. What do you think is another word for a light echo?
Finally,
Visit this on-line wave simulation and experiment with it.
Try each combination of manual, oscillate and pulse with fixed, loose and no end.
What do you observe
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