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Week Eighteen 01/20
Term | Definition |
---|---|
Rotation/Rotate | To spin or make a circular motion on its own axis |
Revolution/Revolve | To go all the way around something |
Axis | An imaginary line which a body rotates on |
Equator | An imaginary line dividing the Northern and Southern hemisphere |
Tilt | A sloping position |
Day/Night Cycle | Caused by the Earth's rotation on its axis every 24 hours |
Seasons | Caused by the Earth's revolution around the Sun and it's tilt |
Tides | Caused by the gravitational pull of the moon on the Earth |
Sequence | The order or the following of one thing after another |
Appearance | The way something looks |
Weathering | The Wearing away of sediments by wind, water, and ice. |
Erosion | The moving or carrying away of sediments to a new location. |
Deposition | The dropping of sediments at a new location. |
Compaction | The pressure of pressing together sediments. |
Cementation | When sediments that are pressed together get hot and the minerals melt causing it to stick together like cement or glue |
Delta | Created by the deposition of sediment. Streams and rivers deposit sediments at the mouth of rivers. Triangular shaped. |
Canyon | A huge valley created by the moving water of a river. Takes millions of years to form. |
Sand Dune | A mound of sand deposited by the wind. |
U-shaped Valley | Created by glaciers |
V-shaped Valley | Made by moving water |