Earth's spheres/Weathering, erosion, deposition

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What is deposition?

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Deposition is the process by which sediments, soil, and rocks are added to a landform or land mass. It occurs when the forces transporting the materials lose energy and can no longer carry them.

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NGSS.MS-ESS2-2

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What is erosion?

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Erosion is the process by which natural forces like water, wind, or ice remove and transport soil and rock from one location to another.

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

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What is weathering?

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Weathering is the breaking down of rocks and minerals into smaller pieces by physical, chemical, or biological processes.

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What is chemical weathering?

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Chemical weathering involves the chemical alteration of minerals in rocks, often through reactions with water, acids, or gases, leading to the dissolution or transformation of the minerals.

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NGSS.MS-ESS2-4

NGSS.MS-PS1-2

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What is physical weathering?

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Physical weathering is the mechanical breakdown of rocks into smaller pieces without changing their chemical composition, often caused by temperature changes, freeze-thaw cycles, or abrasion.

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How do ocean waves contribute to erosion?

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Ocean waves erode coastlines by crashing against rocks and sediments, gradually wearing them away and forming cliffs and beaches.

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What role do glaciers play in shaping landscapes?

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Glaciers move slowly over land, carving valleys and shaping mountain landscapes through the processes of erosion and deposition.

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NGSS.MS-ESS2-2

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What is the hydrosphere?

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The hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and groundwater, and plays a crucial role in weathering and erosion.

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NGSS.MS-ESS2-4

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What is the geosphere?

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The geosphere refers to the solid parts of Earth, including rocks, minerals, and landforms, and is involved in processes like erosion and deposition.

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NGSS.MS-ESS2-2

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, where living organisms interact with each other and their environment, including the geosphere and hydrosphere.