A hands-on way to teach about the effects of pollution on water. Conduct experiments on the chemicals and organisms that pollute our water and learn how it can be purified. With this kit you will be able to test the level of bacteria in water, the chloride content, the pH level, and the rate at which particles settle in water. Gain a greater understanding of ecology, and the problem of pollution.
Comprehensive collection of 30 fossils.
A massive mounted set of 100 rocks and minerals found in the US,
Build a robot that's an artist too!
Ever wonder how to survive in the wilderness? These cards can help!
Get this great introductory chemistry kit for your favorite young scientist!
See the solar system in action!
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