Across
- 5. Characteristics; pH of 6,5-9.2, doesn’t contain toxic substances, free from contaminants such as bacteria and parasites
- 6. The water vapor cools down and changes back into liquid water
- 9. A process when heat from the sun causes water to become a gas; rain, snow, sleet, or hail
- 14. the process by which a plant uses the energy from the light of the sun to produce its own food
Down
- 1. water that is located below the earth's surface
- 2. A large container for collecting rain that can then be used to water plants
- 3. The rain that harms trees and raises the acidity of lakes, making it difficult for fish to live in them
- 4. Synonym: A way to keep and protect something from damage, change, or waste (noun)
- 7. the heat energy or source that controls the process of water cycle
- 8. a wall built across a river that stops the river's flow and collects the water, especially to make a reservoir
- 10. The process when water is heated, it changes from a liquid to a gas called water vapor
- 11. the journey of water takes as it circulates from the land to the sky and back again
- 12. the effect of contaminants; surface water intensifies
- 13. The formation of water vapor when it becomes cooler as it rises and condenses into tiny drops