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Java Games: Flashcards, matching, concentration, and word search. |
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Chapter 4, Lesson 1: Rocks and Weathering
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| weathering | the chemical and physical processes that break down rock at earth's surface |
| erosion | the process by which water, ice, wind, or gravity MOVES fragments of rock and soil |
| mechanical weathering | the type of weathering in which rock is physically broken down into smaller pieces |
| abrasion | the grinding away of rock by other rock particles carried in water, ice, or wind |
| ice wedging | process that splits rock when water seeps into cracks, freezes, and expands |
| chemical weathering | the process that breaks down rock through chemical changes |
| permeable | characteristic of materials such as sand and gravel that allow water to pass easily through them |
| acid rain | rain that is more acidic than normal, caused by the release of molecules of sulfur dioxide and nitrogen oxide into the air |
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Science 6 Instructor |
Byrd Middle School |
| Richmond |
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