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MIDDLE SCHOOL

Earth and Space Science

Earth's System

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Earth's System: Earth’s Surface Processes

Mechanical Weathering

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Mechanical Weathering

Mechanical weathering is the physical breakdown of rocks into smaller pieces without changing their chemical composition. This process happens when rocks are cracked, broken, or worn down by natural forces like wind, water, temperature changes, or the growth of plant roots. One common example is when ...

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Mechanical weathering is the process of breaking rocks into smaller pieces without changing their composition.

One common type of mechanical weathering is ice wedging. Imagine water seeping into tiny cracks in a rock. When the temperature drops, the water freezes, expands, and pushes the crack wider. Over time, this cycle of freezing and m...

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