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Water Filter Kit (Teacher-Developed, Classroom-Tested)
Water Filter Kit (Teacher-Developed, Classroom-Tested)

Product NameSKUPriceQty
Water Filter Kit
This item is restricted, it only ships to registered educational institutions.
WW45911M00
 $82.00 




Product Information

How does a sand filter trap particulate matter? Science teacher Ralph Fudge designed this kit to allow students to build filters containing sand, gravel, cotton and charcoal.
Working in groups of two, students experiment with muddy water and salt water to discover the types of impurities that a sand filter can remove.
In addition, when your students realize that a sand filter cannot trap dissolved salt, you can use the supplied background materials as an outline for a discussion of the problems associated with desalinization. Grades 5-8.
Includes: salt, aluminum pie pans, plastic cups, spoons, sand, gravel, cotton, clay soil, charcoal powder and complete instructions.

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