Across
- 1. Resources found in nature that we need to live
- 6. Rock type formed from volcanoes
- 7. People who study the lithosphere
- 11. Things that we need to produce something more useful (3, 9)
- 12. A large scale community of organisms
- 13. A resource that cannot be replaced in a human lifetime (3,9)
Down
- 2. The Earth's crust including landforms, rocks, and soils
- 3. Type of weathering when plants and animals split and break down rock
- 4. Type of energy produced from hot rocks deep
- 5. Type of weathering when acidic rainwater attacks rock
- 8. When we don't have enough of something like water
- 9. The process of rocks breaking down and rotting away
- 10. Living matter on Earth, including all plant and animal life