chap 12 less 1 vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Uniformitarianism | A principal that states that geologic processes that operate today also operated in the past
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| Erosion | The process of wearing down and carrying away rocks
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| Weathering | The process that breaks down rock and other substances
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| Mechanical weathering | The type of weathering in which rock is physically broken into smaller pieces
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| Chemical weathering | The process that breaks down rock through chemical changes
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| Abrasion | refers to wearing away of rock by rock particles carried by water, ice, wind, or gravity
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| Frost wedging | wedges of ice and rocks widen and deepen cracks
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| Oxidation | Iron combines with oxygen in the presence of water
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| Permeable | a material is full of tiny, connected air spaces that allow water to seep through it
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| What breaks down rocks? | Erosion works continuously to weather and carry away rocks at Earth's surface.
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| What causes mechanical weathering? | The natural agents of weathering include freezing and thawing, release of pressure, plant growth, actions of animals, and abrasion.
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| What causes chemical weathering? | The agents of chemical weathering include water, oxygen, carbon dioxide, living organisms, and acid rain.
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| How fast does weathering occur? | The most important factors that determine the rate at which weathering occurs are the type of rock and the climate.
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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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