Primary & Middle School Earth and Space Sciences

Grade 1 (Age 6–7)

1. 1 Watching the Weather 11 道带解答的练习
2. 2 Landscapes Around Us 11 道带解答的练习

Grade 2 (Age 7–8)

1. 3 Water on Earth 11 道带解答的练习
2. 4 From a Drawing to a Map 11 道带解答的练习

Grade 3 (Age 8–9)

1. 5 Stones, Pebbles and Sand 10 道带解答的练习
2. 6 The Globe: Continents and Oceans 10 道带解答的练习

Grade 4 (Age 9–10)

1. 7 Clouds, Rain and Snow 11 道带解答的练习
2. 8 Volcanoes and Earthquakes: A First Look 11 道带解答的练习
3. 9 The Physical Map of the World 11 道带解答的练习

Grade 5 (Age 10–11)

1. 10 Water Shapes the Land 11 道带解答的练习
2. 11 Weather and Climate 11 道带解答的练习
3. 12 Natural Hazards 11 道带解答的练习

Grade 6 (Age 11–12)

1. 13 The Earth, a Planet of the Solar System 12 道带解答的练习
2. 14 Latitude, Longitude and Time Zones 12 道带解答的练习
3. 15 Rocks and Minerals 12 道带解答的练习
4. 16 Inside the Earth 12 道带解答的练习
5. 17 Water Underground 12 道带解答的练习

Grade 7 (Age 12–13)

1. 18 Plate Tectonics: The Moving Puzzle 12 道带解答的练习
2. 19 Volcanoes 12 道带解答的练习
3. 20 Earthquakes 12 道带解答的练习
4. 21 Sediments and Fossils 12 道带解答的练习
5. 22 The Ages of the Earth 12 道带解答的练习

Grade 8 (Age 13–14)

1. 23 The Atmosphere 12 道带解答的练习
2. 24 Winds and the Global Circulation 12 道带解答的练习
3. 25 Air Masses, Fronts and Weather Maps 12 道带解答的练习
4. 26 The Oceans 12 道带解答的练习
5. 27 Ice on Earth 12 道带解答的练习

Grade 9 (Age 14–15)

1. 28 The Earth’s Climate, Past and Present 12 道带解答的练习
2. 29 Living with Natural Risks 12 道带解答的练习
3. 30 Resources from the Earth 12 道带解答的练习
4. 31 Landforms 12 道带解答的练习
5. 32 Maps of the Whole Earth 12 道带解答的练习

共 32 个章节——目前已有 32 个可在线阅读，更多章节正陆续发布。完整的书已经以 可在线阅读的免费 PDF 形式提供。