Types of Weathering. Kim Bennison Katy Hogan Alex Gage Kelly Fischer. Mechanical/Physical Weathering. Exfoliation Ice Wedging Organic Wedging Abrasion. Exfoliation. When a rock has heat exerted upon it, along with pressure, it separates into layers. Ice Wedging.
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When a rock has heat exerted upon it, along with pressure, it separates into layers.
When water leaks into the cracks of rocks, it freezes and causes the rock to crack.
This occurs when burrowing animals, humans, or plants interfere and work their way into rocks.
Abrasion occurs when rocks rub against eachother and become rounded.
When rocks sit in water for extended periods of time they begin to break down and have a clay-like texture.
When oxygen reacts with iron in rocks, they rust, taking on a red-orange color.
Rocks, when in water, react with acids in the water and dissolve. A clue that this has happened to a rock is the presence of small holes.