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Day - Chap 3 Chan
Day - Chap 3 Changing Earth's Surface
| Question | Answer |
|---|---|
| weathering | The chemical and physical processes that break down rock and other substances. |
| erosion | The process by which water, ice, wind, or gravity moves weathered particles of rock and soil. |
| sediment | Small, solid pieces of material that come from rocks or the remains of organisms; earth materials deposited by erosion. |
| deposition | Process in which sediment is laid down in new locations. |
| physical weathering | The type of weathering in which rock is physically broken into smaller pieces. |
| chemical weathering | The process that breaks down rock through chemical changes. |
| abrasion | The grinding away of rock by other rock particles carried in water, ice, or wind. |
| frost wedging | Process that splits rock when water seeps into cracks, then freezes and expands. |
| oxidation | A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. |
| permeable | Characteristic of a material that contains connected air spaces, or pores, that water can seep through easily. |
| topography | The shape of the land determined by elevation, relief,and landforms. |
| elevation | Height above sea level. |
| relief | The difference in elevation between the highest and lowest parts of an area. |
| landform | A feature of topography formed by the processes that shape Earth's surface. |
| plain | A landform made up of flat or gently rolling land with low relief. |
| mountain | A landform with high elevation and high relief. |
| mountain range | A group of mountains that are closely related in shape, structure, area, and age. |
| plateau | A large landform that has high elevation and a more or less level surface. |
| landform region | A large area of land where the topography is made up mainly of one type of landform. |
| gravity | The attractive force between objects; the force that moves object downhill. |
| mass movement | Any one of several processes by which gravity moves sediment downhill. |
Created by:
Mrs. Day
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