作者 (Author) | Zoehfeld, Kathleen Weidner |
Summary: Photographs and easy-to-read text introduce rocks and minerals, covering the rock cycle, fossils, gemstones, and rock types. | |
等级 (MML) | MM Level-3.7 |
年级 (IL) | Lower Grades (LG K-3) |
字数 (Words) | 782 |
类型 (Fiction) | Non-Fiction |
系列 (Series) | National Geographic Kids; National Geographic Readers: Level 2; |
Topic: Science-Geology; |