GA Milestones- Earth Science

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What is deposition in Earth Science?

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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 agents of erosion, such as water, wind, or ice, lose energy and drop their load.

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What is erosion?

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Erosion is the process by which natural forces move weathered rock and soil from one place to another. It can be caused by water, wind, ice, or gravity.

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What is the difference between constructive and destructive processes?

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Constructive processes build up landforms, such as deposition, while destructive processes wear down landforms, such as erosion.

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How do rivers form channels?

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Rivers form channels through the process of erosion, where flowing water wears away the soil and rock along its path.

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What is the role of sediment in lake depth changes?

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Sediment can accumulate in lakes over time, leading to a decrease in depth as materials like sand, gravel, and organic matter settle at the bottom.

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What is the process that forms riverbanks?

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Riverbanks are formed by deposition, where sediments are deposited along the edges of a river as the water slows down.

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What is the significance of the Himalayas' formation?

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The Himalayas were formed by the collision of the Eurasian and Indian tectonic plates, a process that involves both constructive and destructive forces.

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What is a model in science?

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A model in science is a representation of an object, system, or process that helps to explain or predict how it works.

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What is the importance of measuring changes in water depth?

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Measuring changes in water depth helps scientists understand processes like sediment deposition and erosion, which can affect ecosystems and water quality.

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What is a beaker used for in scientific experiments?

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A beaker is a cylindrical container used to hold, mix, or heat liquids in laboratory experiments.