Landforms (5.7B)

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What are landforms?

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Landforms are natural features of the Earth's surface, such as mountains, valleys, plateaus, and plains.

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What is erosion?

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Erosion is the process by which soil and rock are removed from the Earth's surface by natural forces such as wind or water.

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What is weathering?

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Weathering is the breaking down of rocks and minerals into smaller pieces by natural processes, including freezing and thawing.

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What is deposition?

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Deposition is the process where sediments, soil, and rocks are added to a landform or land mass, often occurring in rivers and deltas.

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What is frost wedging?

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Frost wedging is a type of weathering that occurs when water seeps into cracks in rocks, freezes, expands, and eventually breaks the rock apart.

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What is a delta?

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A delta is a landform that forms at the mouth of a river where it meets a body of water, created by the deposition of sediments.

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What are agents of change in landforms?

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Agents of change include water, wind, ice, and gravity, which shape and alter landforms through erosion, weathering, and deposition.

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How do rivers contribute to landform changes?

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Rivers can erode land, transport sediments, and deposit materials, creating features like valleys, deltas, and floodplains.

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What is sediment transport?

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Sediment transport is the movement of solid particles, such as sand and silt, from one location to another by wind, water, or ice.

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What role does wind play in shaping landforms?

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Wind can erode surfaces, transport sediments, and deposit them, forming features like sand dunes.