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and physical science principles related to water and air
full-color manual provides instructions and explanations
sending out sound waves
Weight: 4 lbs
salts & solutions
Thames and Kosmos Crystal Growing 230 and physical science principles relatedGrow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing sodium sulfate crystals, long needle shaped sodium acetate crystals, and plaster which is made from gypsum crystals. Mold fun plaster shapes, including stars, lightning bolts, dolphins,
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