Unit 4 Vocabulary Part 2

2. Water that can be easily seen above Earth's surface
4. An ecosystem where all water runoff drains into a single body of water
7. A body of rock or sediment that stores groundwater and allows the flow of groundwater.
9. the contamination of the atmosphere by the introduction of pollutants from human and natural sources
10. A layer of permeable rock or soil in which the cracks & pores are COMPLETELY FILLED with water
14. pollution that comes from many sources rather than from a single, specific site
16. Ability of rock or soil to allow water to flow through it
17. a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
18. Elevation (height) above sea level
20. A stream or river that flows into a larger river
22. troposphere, stratosphere, mesosphere, thermosphere
23. flow Water that is flowing beneath earths surface
24. the addition of any substance that has a negative effect on water or the living things that depend on the water
25. A layer of rock and soil above the water table in which the pores contain air as well as water

1. Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect.
3. runoff stays above ground when surface is not porous or precipitation falls fast
5. The measure of the force with which air molecules push on a surface
6. the level below which the ground is saturated with water.
8. the volume of open spaces in rock or soil
11. The condition of the air based on the amount of pollution in it
12. water that fills the cracks and spaces in underground soil and rock layers
13. Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect.
15. pollution that enters a body of water from a specific source
19. the envelope of gases surrounding the earth or another planet.
21. the path that a stream follows