发表于2024-09-12
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?The answer is, just the paper clip. Magnets only pick up things that contain bits of iron. In this new addition to the Let's-Read-and-Find-Out Science series, veteran author Franklyn Branley explains the properties and behavior of magnets. True Kelley's charming illustrations will entertain readers as they discover for themselves what makes a magnet. Hands-on activities include making a magnet and compass.
What Makes a Magnet? 2024 pdf epub mobi 电子书