Weathering, Erosion, and Rock Classification Worksheet

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What is weathering?

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The process of breaking down rocks into smaller pieces through natural forces such as wind, water, and temperature changes.

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What is erosion?

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The process by which weathered rock and soil are moved from one location to another, often by water, wind, or ice.

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What are the three main types of rocks?

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Igneous, Sedimentary, and Metamorphic.

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How is igneous rock formed?

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Igneous rock is formed from the cooling and solidification of molten magma or lava.

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What is sedimentary rock?

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Sedimentary rock is formed from the accumulation and compaction of sediments, which can include minerals, organic material, and fragments of other rocks.

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What is metamorphic rock?

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Metamorphic rock is formed when existing rocks are changed by heat, pressure, or chemically active fluids.

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What is the rock cycle?

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The rock cycle is a model that describes the continuous processes of rock formation, breakdown, and reformation.

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What role does water play in weathering?

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Water can cause physical weathering through freeze-thaw cycles and chemical weathering by dissolving minerals.

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What is the difference between physical and chemical weathering?

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Physical weathering breaks rocks into smaller pieces without changing their chemical composition, while chemical weathering alters the minerals within the rock.

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What is an example of erosion?

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An example of erosion is a river carrying away soil and rock particles as it flows.