Weathering
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| Frost Action | The force of freezing water splits rocks apart.
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| Abrasion | Wearing away of rocks by wind or water.
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| Gravity | As rocks fall, they collide with each other and break apart.
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| Organic Activity | When roots grow or animals dig holes, rocks split apart.
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| Acid Precipitation | Rain, sleet, or snow that contains a high concentration of acid.
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| Exfoliation | The peeling of rounded thin layers from the rock's surface.
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| Hydrolysis | The chemical reaction of water with other substances.
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| Plant Acids | Acids formed by the decay of plants and animals that eat away rocks.
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| Oxidation | The chemical reaction of oxygen with other substances. (Rust is an example)
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| Carbonation | Carbonic acids dissolves rocks and caves form underground.
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| Sulfuric Acid | Pollution from factories dissolves in rainwater and eats away at rocks and buildings.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
tricia72
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