Science Review PowerPoint 11/ 16/10
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Transcript of Science Review PowerPoint 11/ 16/10
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Science Review PowerPoint 11/ 16/10
Annie Nelson
Amelia Jones
Alysa Snell
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AbrasionAbrasion is rocks rubbing together or water to make a round smooth surface.
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Exfoliation
Exfoliation is the breaking down of rocks into layers.
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Organic Activity
Organic Activity is when organisms are on the rock
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Frost Wedging
When liquid water freezes it expands 9% in an outward force which makes the cracks larger …. And after many freeze thaw cycles the rock breaks into pieces.
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Hydrolysis
Iron-bearing silicate minerals weather to form clays by hydrolysis.
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Dissolution
Dissolving rocks slowly making Caves and Canyons.
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Oxidation
Oxygen reacted with Iron forming Iron Oxide or Rust.
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Acid – Carbonation, Precipitation, And Plant Acid
Carbonic Acid- Rocks changing color and texture.
Acid Rain- Creating pores in the rock.
Plant Acid- Moss slowly deteriorating the rock. :0