发表于2025-01-27
Showy Science 2025 pdf epub mobi 电子书
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Here are more than 175 exciting, hands-on science demonstrations that work using nothing more than ordinary household objects. Youngsters explore water, air, animals, plants, microbes, gravity and motion, earth, and light as they "show off" scientific principles for their classmates and friends.
Showy Science 2025 pdf epub mobi 电子书