A collection of 255 scientific experiments illustrated with step-by-step instructions and line drawings, and most of which require little help from parents. Projects include making a whoopee cushion (explains sound and vibration) and making a leaf sweat (explains transpiration).
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A collection of 255 scientific experiments illustrated with step-by-step instructions and line drawings, and most of which require little help from parents. Projects include making a whoopee cushion (explains sound and vibration) and making a leaf sweat (explains transpiration).
Read Less