Weathering

2. The reddish brown tinge when iron or steel combine with oxygen. A specific type of oxidation occurring on iron or steel forming iron oxide.
5. fragmented materials which become the raw material for rocks and for the formation of soils.
7. the principal source of inorganic material in the soil, which vegetation needs to grow.
9. external forces that drive the rock cycle --the (continuous creation and destruction of rocks and minerals).
12. a chemical reaction involving the loss of electrons.
13. process that gives the zing and sparkle to fizzy beverages. Water combined with carbon dioxide.
14. (continuous creation and destruction of rocks and minerals) - 2 words
17. Weathering with Water when rock breaks down into progressively smaller fragments without being altered by chemicals.

1. the universal solvent -- (meaning it can dissolve almost anything),
3. shape of the land
4. the first essential step in wearing down the landscape.
6. rock debris that comes from frost action found at the base of cliffs in mountain ranges.
7. process removing carbon dioxide from the atmosphere by converting it into chemical compounds called carbonates that can be dissolved in water and eventually turned into rock.
8. mountain range in Asia with some of Earth's highest peaks, including the highest, Mount Everest.
10. sediments picked up and moved by wind, running water, ice, and waves.
11. weathering action of animals and plants that increase both mechanical and chemical weathering.
15. type of weathering When oxygen dissolved in water comes into contact with iron in a rock, and the iron is removed, weakening the structural integrity of the rock.
16. rocks breaking down by physically disintegrating or chemically decomposing.
18. internal forces that drive the rock cycle --the (continuous creation and destruction of rocks and minerals).