Nine different tests of the air and water around us can be performed with the Environmental Test Lab Kit. Your students will be interested to know that their experiments duplicate those actually carried out by state and federal agencies. Five water tests look for dissolved oxygen, hardness, chloride, phosphate, and pH. The kit also gives you four air tests for suspended particles, smoke density, concentration of chemicals, and carbon dioxide. These tests are easy to do and produce clear, visible results. Many of the tests give or estimate quantitive results. The kit includes 8 test chemicals, test equipment, two charts, and a reproducible laboratory manual. This kit is an excellent introduction to air and water evaluation!
Create beautiful art with this amazing sun paper!
This magic bird defies gravity before your very eyes!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This is a great clean heat demonstration model for the classroom setting!
This classic desk toy will keep you amused!
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