Types of Weathering Example

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Types of Weathing - Chemical Physical Biological

BIOLOGICAL WEATHERING
CHEMICAL WEATHERING
TEMPERATURE CHANGES
Biological weathering is due to animals and plants. Burrowing animals and plant roots can damage and break rocks apart.
When rocks are weathered by chemicals it is called chemical weathering. An example of this is when acid rain reacts with limestone.
As the temperature increases, rocks expand and then contract as the temperature falls. Over time this can cause the rock to crack and small pieces fall away.
WIND, RAIN, WAVES
Weathering
FREEZE-THAW
Wind can blow small particles which wear away the rock. Waves and rain wear the rock down over long periods of time.
Water can get into the cracks of rocks. When the water freezes, it expands, causing the crack to get bigger. As the ice melts, the water goes deeper into the crack and can freeze again, making the crack even bigger.

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