Across
- 1. – Community of living and nonliving things
- 4. – Water stored beneath Earth’s surface
- 6. – Land areas soaked with water that help filter pollutants
- 8. – Small particles of rock and soil carried by water
- 9. – Large movements of water in the ocean
- 10. – System that removes excess water
- 11. – Water that flows over land after rain
- 12. – Natural home for plants and animals
- 13. – Underground layer that holds water
Down
- 2. – Large body of saltwater covering most of Earth
- 3. – Harmful substances added to the environment
- 5. – Protecting and using resources wisely
- 6. – Land area where all water drains to one place
- 7. – Farming practices that can affect water quality