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With this set, groups of 4 students can conduct expe..
Demonstrate safely and economically that sound waves..
Instead of a class demonstration, let your students ..
Glass jar has a closed top with knob and finely grou..
Designed for precise readings over a wide range of p..
Used to demonstrate the formation of clouds. Rubber ..
Used to demonstrate atmospheric pressure. When a sma..
Includes all the cubes in the Density Cube Set (#752..
A colorful set of density specimens sure to capture ..
Demonstrates the effect of temperature on density of..
These sets consist of four 3.2-cm-sq cubes, each con..
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Set of ten 1" cubes in 10 special materials. Include..
Each set includes 12 samples of the same substance. ..
Used to teach students how to make measurements in t..
When placed in hot water, this plastic cylinder sink..