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Weathering Unit 6
| Question | Answer |
|---|---|
| Weathering | the breakup of rock due to exposure to processes that occur at or near Earth’s surface |
| Mechanical Weathering | The breakdown of rock that takes place when a rock is broken into smaller pieces of the same material without changing its composition |
| Chemical Weathering | The breakdown or decomposition of rock that takes place when minerals are changed into different substances |
| Frost Wedging | A mechanical weathering process in which water freezes in the cracks of a rock and wedges it apart |
| Abrasion | The wearing away of rock material by grinding action |
| Root Wedging | plants wedge their roots into pores and crevices. As the roots grow, the rock splits |
| Carbonic Acid | a weak acid formed when carbon dioxide dissolves in water |
| Acid Rain | Rainwater that contains unusually high amounts of acids that can be traced back to pollutants, including sulfur dioxide, nitrogen compounds, and carbon dioxide |
| Oxidation | the chemical reaction of oxygen with other substances |