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hands-on demonstration shows children how they can build their own simple water treatment system
One of 16 volumes in the Physical Science in Action DVD Series in the Schlessinger Science Library
Easy to put on with its over-the-head poncho styling
• Professional quality equipment helps you make the most of your experiments
Red plastic sign with large
Investigating Plate Tectonics Classroom Project electronic-whistles hands-on demonstration shows children howThis hands on project enables students to examine and identify individual rock specimens as a study unit in earth science. Each classroom activity project includes: one wood framed reference chart, complete with mounted specimens, 30 student charts (reproductions of the reference chart on heavy card stock), 30 specimens of each rock represented to be studied and glued on each chart during the activity, one test kit, and the Scott Resources' Rocks and
