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- bisac:JUVENILE NONFICTION / Science & Nature / History of Science
- series:Let's-Read-and-Find-Out Science 2
- bisac:JUVENILE NONFICTION / Science & Nature / Chemistry
- JUVENILE NONFICTION / Activity Books
- JUVENILE NONFICTION / Science & Nature / Chemistry
- JUVENILE NONFICTION / Science & Nature / Discoveries
- JUVENILE NONFICTION / Science & Nature / Earth Sciences / General
- JUVENILE NONFICTION / Science & Nature / Experiments & Projects
- JUVENILE NONFICTION / Science & Nature / History of Science
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