Science Vocabulary Words

3. the tumbling of dry soil and rocks downhill
5. soil particles that move slowly downhill
7. a chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
9. water weathers rock by dissolving it
11. living thins that cause chemical weathering by releasing a weak acid
14. when CO2 dissolves in rain water and creates carbonic acid and forms caves and sink holes
15. finger-shaped deposit of sediment deposited at the mouth of a river
16. sediment that was deposited by a glacier
17. rain mixes with soil to form mud which moves downhill
18. when acid rain reacts with rock -- forming minerals such as feldspar to produce clay

1. rain, sleet, or snow that contains a high concentration of acids
2. breaks up rocks from repeated freezing and thawing of ice in cracks in rocks
4. a wide, downhill deposit of sediment formed where a stream leaves a mountain
6. when wind erosion piles up sand (deposition)
7. where erosion takes place
8. a deposit of fine,wind-blown glacial sediment
10. a type of sand bar created by long-shore drift which moves sand along the shore
12. these protect the Georgia coast by absorbing the energy of waves and storms
13. where deposition takes place
16. low-lying wet land with grassy vegetation;usually is a transition zone between land and water; the area behind a spit