Earth Science

2. Cycle The continuous movement of water on, above, or below the surface of the Earth
3. The amount of mass in a given volume
4. A term that describes a substance that has a pH of 8-14
9. Water molecules stick together
11. The evidence of past life preserved in sedimentary rock
13. Water that is safe to drink
14. A small portion of land that drains into a nearby body of water
16. Runoff Pollution traveling in water from farms. It includes fertilizer, pesticides, and animal waste.
17. Ecosystem An ecosystem in the ocean (saltwater).
20. The measure of clarity in the water. High Turbidity means the water is dark and murky.

1. An area - An area of vegetation that surrounds a body of water and protects the water quality
5. Age The actual age of a rock or fossil in exact years
6. All of the water on Earth
7. The amount of salt dissolved in water
8. Source Pollution - The specific source of pollution can be identified
10. The responsibility of conserving and restoring the Earth's resources for future generations.
12. Runoff Pollution traveling in water from cities and suburban areas
15. Bloom Rapid Increase or accumulation in the population of algae in a water system
18. Pollution Addition of any substance that has a negative effect on the water or living things in the water
19. A term that describes a substance that has a pH of 1-6.