Across
- 5. the process of breaking down rocks into smaller pieces by physical, chemical, or biological means
- 6. the theory that Earth’s outer layer is divided into plates that move over the mantle
- 9. a type of plate boundary where two plates move away from each other
- 10. the movement of rock and soil from one place to another by wind, water, ice, or gravity
- 11. a type of plate boundary where two plates move toward each other
- 12. the process by which sediments are dropped and settle in a new location
- 13. the layer of gases surrounding Earth that supports life and influences weather
- 14. a natural physical feature on Earth’s surface such as mountains, valleys, and plains
Down
- 1. nonliving components of an environment such as sunlight, water, air, and minerals
- 2. all living organisms on Earth and the environments in which they live
- 3. living components of an ecosystem such as plants, animals, and microorganisms
- 4. the solid part of Earth including rocks, soil, and landforms
- 7. the short-term conditions of the atmosphere including temperature, precipitation, and wind
- 8. all of the water on Earth including oceans, rivers, lakes, and groundwater
- 11. the long-term average pattern of weather in a particular area over many years