发表于2024-11-08
What Makes a Magnet? 2024 pdf epub mobi 电子书
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Will a magnet pick up a paper clip or a feather? In this book veteran author Franklyn Branley explains the properties and behavior of magnets. The charming illustrations will entertain readers as they discover for themselves what makes a magnet. Hands-on activities include making a magnet and compass. Full color.
What Makes a Magnet? 2024 pdf epub mobi 电子书