Across
- 5. a rocky layer that lets groundwater flow through and collect
- 6. pieces of the earth
- 9. when magma flows over earth's surface
- 10. hot liquid rock under earth's surface
- 11. removal from sediments in an area
- 12. land form that develops where sediments are deposited
- 14. excess material that flows across the ground
- 15. How the engineering design must function
Down
- 1. an educated guess
- 2. the condition of a body of water
- 3. something that limits the solution to a problem
- 4. natural filters that remove contaminants from the water
- 7. an outcome given up to gain another outcome
- 8. Hazard natural event that may harm people
- 13. a deep, narrow depression on the seafloor