Across
- 2. The top level of groundwater.
- 4. An area that provides everything a living thing needs to survive.
- 7. The process of water evaporating from plant leaves.
- 10. An area, including landforms, that supply water to a river system.
- 13. A smaller body of water that feeds into a larger one.
- 16. The area underground that does not have water in it. -
- 17. A way for humans to get groundwater to the surface using pressure.
- 18. The largest connected body of water on Earth, made of saltwater.
- 19. A substance that does not let gases or liquids pass through it.
- 22. Frozen freshwater found in the North and South Poles.
- 24. A long period of time without rainfall.
- 25. A body of water that does not move, made up of salt water.
- 26. A man made or natural lake that provides humans with water.
Down
- 1. The process of plants turning sunlight, water, and CO2 into food.
- 3. A substance that helps living things grow.
- 5. Water falling back to the Earth’s surface as rain, sleet, snow, or hail.
- 6. A body of water that does not move and is made up of freshwater.
- 8. A substance that allows gases and liquids to pass through it.
- 9. Freshwater that is found under the surface of the Earth.
- 11. The process of nutrients building up in a body of water.
- 12. A piece of land that separates two watersheds.
- 14. The process of water leaving the Earth’s surface, going to the atmosphere, and returning to the Earth’s surface.
- 15. Water that humans can drink.
- 20. The process of water turning into water vapor.
- 21. The area underground that is filled with water.
- 23. The gases and water vapor that surround the Earth.
- 27. A moving body of water that eventually reaches the ocean.