How Clean is the Water? Kit

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.

Features:

• 6 plastic petri dishes
• 2oz silver nitrate solution
• 3 bottles silica sand
• 3 bottles bentonite clay
• Wide-range pH test papers w/ color chart
• Plastic rod
• Glass eye dropper
• Potassium chromate
• Sodium bicarbonate
• Silica