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| Changing Matter | |
| 作者： | Tracy Nelson Maurer |
| 出版社： | Britannica Digital Learning |
| 組合： | Read and Discover Series (Primary)_II |
| 簡介： | This title teaches students that everything is made of matter and that physical changes create different forms or states of matter. Examples of these different states are presented in easy-to-understand text. The book also introduces students to the law of conservation of mass. |
| 標籤： | 物理, 科普, 英文 |
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