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发表于2024-11-25
No-Sweat Science pdf epub mobi txt 电子书 下载 2024
With these nearly 100 experiments, kids can create a whole new world of scientific magic and mystery. By carefully following the instructions they'll succeed in producing a batch of invisible ink, turning a straw into a trombone, squeezing an egg into a small bottle, launching a rocket with a lemon, and lots more. From cooking up a "liquid sandwich" to blowing a superbubble, every idea is wonderfully clever.
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No-Sweat Science pdf epub mobi txt 电子书 下载 2024