Floating & Sinking
Density is often measured by whether an object floats or sinks in water. Real Japanese 1 Yen coins are made from aluminum and can be made to float on the surface of a cup of water. We have super dense wood that sinks in water. Powered by baking powder, the Diving Submarine dives and surfaces just like a real submarine.
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Floating Yen Coins$7.95
Super Dense Wood (135 g)$11.95
Diving Submarine$3.95
Pumice$5.95–$19.95
Density Sphere Experiment Kit$13.95–$104.95
Density Paradox (set of two)$14.95
Steel Sphere Density Kit$29.95
Mixture Separation Challenge$22.95
Solar Tube$14.95
Super Twine Kite String$15.95–$36.95