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.
發表於2025-01-27
Showy Science 2025 pdf epub mobi 電子書 下載
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Showy Science 2025 pdf epub mobi 電子書 下載