Janice VanCleaves Geowissenschaften für jedes Kind: 101 einfache Experimente, die wirklich
39,30 €
Teaching PreK-8 "An entertaining, educational, and nonthreatening aid to understanding earth science.". What makes the air we breathe?. What causes the ocean waves?. And, with the assistance of a Slinky(r), they'll learn about the motion of water waves.
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