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8th Landforms
Weathering and Landforms
| Question | Answer |
|---|---|
| Continental Crust | less dense, thicker crust made of mostly granite |
| Oceanic Crust | more dense, thinner crust made of mostly basalt |
| u shaped valley | valleys carved by the movement of glaciers |
| V shaped valley | valleys carved by the movement of rivers |
| striations | long grooves cut into the rock by glacial movment |
| river delta | deposits of sediments built up where the river meets the ocean |
| oxidation | a type of chemical weathering where minerals in rocks react with oxygen, often with water, to form new compounds, most notably iron oxides (rust) |
| plucking | process where glaciers pick up rocks as they flow over the land |
| chemical weathering | changing the chemical make up of the rock by softening or dissolving |
| physical weathering | physically breaking rock into smaller pieces through plants, animals, wind, water, ice, and temperature |
| abrasion | a type of physical weathering where rocks are worn down and broken into smaller particles through the collision and grinding action of other rocks and sediments |
| meanders | loop-like bend in the course of a river |
| oxbow lake | a meander that has been cut off from the river |
| Karst topography | a layer of limestone close to the surface is chemically weathered often by groundwater, creating sinkholes, caverns, and caves |
Created by:
KimRoush