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.
Is it a demonstration of a scientific law or a work of art?
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Check out this high-quality gyroscope!
Get swept away by this fantastic robot kit that uses vibrations to move!
This superb chemistry set features 350 mind-boggling experiments!
This illuminated orbiter is great for demonstrations in the astronomy classroom!