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Middle School Science
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Demonstrations 21  40 of 70
A Simple Lever
Simple Simulation of Tides
Relative Motion of Two Cars
Three Classes of Levers
Comparing Temperature Scales
Observing Magnetic Fields with Iron Filings
Principle of the Lever
The Aeolipile
Perpetuum Mobile II
Righty Tighty; Lefty Loosy
Inertia
Mechanical Involute Gears
Tornado Activity in the U.S. 19502007
Unit Converter
Reaction Force on a Lever
How Fast Can You Run?
Bouncer
Rounding Large Integers
Astronomical Units of Length
Mass Units of Measurement
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