Seventh graders study side-scan sonar and discover how it can be used to locate objects underwater. They complete a sonar simulation activity in which they create and map mystery landscapes inside shoeboxes.
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Floating Balls & Flying Toilet Paper
A blow dryer and ping pong balls are all you need to demonstrate the amazing properties of air flow. In this demonstration, Spangler has a three year old boy as his assistant. Together, they make ping pong balls, a beach ball, and a roll...
3 mins 7th - 12th Science