Cartesian Diver Only - 4 cm WL 1040, Ideal for Showing Archimedes Principle, with a hollow glass diver, shaped like a diver, with a 10in x 1 1/2in glass cylinder, a rubber sheet and rubber band, Fill the cylinder with water, drop in the diver it floats
Communicating Mathematics Intermediate Guide with Color Tiles, Emphasize problem solving and the language of mathematics while exploring important math concepts. Each lesson includes complete teaching suggestions, and reproducible student worksheets
Nexpensive, compact counter for measuring milliseconds. Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted.
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