Weathering & Soil

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What is weathering?

Back

Weathering is the process of breaking down rocks and minerals into smaller pieces through physical, chemical, or biological means.

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What is the difference between physical and chemical weathering?

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Physical weathering involves the mechanical breakdown of rocks without changing their chemical composition, while chemical weathering involves changes in the chemical structure of minerals.

Tags

NGSS.MS-PS1-2

Front

What is soil?

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Soil is a natural resource composed of minerals, organic matter, water, and air that supports plant life.

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What factors influence soil formation?

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Soil formation is influenced by parent material, climate, topography, organisms, and time.

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What is biological weathering?

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Biological weathering occurs when living organisms, such as plants and animals, contribute to the breakdown of rocks.

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How does climate affect weathering?

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Warm and humid climates accelerate weathering processes, while cold and dry climates slow them down.

Tags

NGSS.MS-ESS2-2

Front

What is frost action?

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Frost action is a type of physical weathering that occurs when water freezes in cracks of rocks, expanding and causing the rock to break apart.

Tags

NGSS.MS-ESS2-2

Front

What is an example of chemical weathering?

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An example of chemical weathering is the dissolving of limestone by acid rain.

Tags

NGSS.MS-PS1-2

Front

What role does topsoil play in plant growth?

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Topsoil is rich in nutrients and organic matter, making it essential for healthy plant growth.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

What is erosion?

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Erosion is the process by which soil and rock are removed from one location and transported to another, often by wind, water, or ice.

Tags

NGSS.MS-ESS2-2