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Earth's Changing Sur
Chapter 1 Vocabulary
Term | Definition |
---|---|
contour lines | lines on a topographic may that indicate areas with the same elevation, or height above sea level |
crust | the thin, rocky outer layer of Earth that makes up the continents and the ocean floor |
topographic map | a map that shows the shape of surface features and their elevations, or heights above sea level |
erosion | destructive force in which pieces of rock are moved from place to place, as by flowing water, wind, gravity, or ice |
sediment | weathered rock pieces, deposited by wind, water, or ice |
weathering | destructive force that breaks down rocks into smaller pieces |
deposition | constructive force in which sediments that have been moved from one place are dropped or released in another place |