Across
- 3. Only a small percentage of Earth's water is __________, which is suitable for drinking.
- 4. A __________ is an area of land where all the water drains into a common body of water, such as a river or lake.
- 9. water. Rivers, lakes, and oceans are examples of __________, where water is found on the Earth's surface.
- 11. When it rains, some water moves over the surface of the land as __________, which can carry pollutants into rivers and lakes.
- 13. An overgrowth of __________ in water can be caused by too many nutrients, often from runoff, leading to poor water quality.
- 14. After heavy rains, __________ can be carried by runoff into bodies of water, making the water cloudy and dirty.
- 15. water. To protect our water supply, it’s important to __________ by using only what we need and avoiding waste.
Down
- 1. __________ can harm ecosystems and make water unsafe for drinking and recreation.
- 2. __________ used in farming and gardening can pollute water if they are not handled properly.
- 5. An __________ is an underground layer of water-bearing rock where groundwater is stored.
- 6. The __________ is an underground layer of rock that stores water and provides drinking water for much of Florida.
- 7. Water that is stored underground in soil and rock is called __________.
- 8. __________ is the clearing of forests, which can lead to increased erosion and loss of biodiversity.
- 10. As cities grow, __________ often leads to more pollution and less natural land to absorb water.
- 12. A __________ forms when the ground collapses into a void created by the erosion of underground limestone by water.