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Weathering  <ul><li>By: Maggie </li></ul>
Exfoliation  Some buried rocks are changed when heavy layers of the rock wear away.  of the once-buried granite expand mor...
Chemical Weathering A rock can break down when minerals in the rock changes chemically.  When these changes  happen, chemi...
<ul><li>when Carbon Dioxide and rainwater combine it makes carbonic acid.  </li></ul>Carbonic Acid
Horizon
Humus
Physical Weathering  When plants get into  rocks and start to  grow.
Abrasion This is a wind  abrasion.
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Boo weathering

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Transcript of "Boo weathering"

  1. 1. Weathering <ul><li>By: Maggie </li></ul>
  2. 2. Exfoliation Some buried rocks are changed when heavy layers of the rock wear away. of the once-buried granite expand more than the layers Below. This causes the outer layer of the rock to peel off.
  3. 3. Chemical Weathering A rock can break down when minerals in the rock changes chemically. When these changes happen, chemical weathering takes place.
  4. 4. <ul><li>when Carbon Dioxide and rainwater combine it makes carbonic acid. </li></ul>Carbonic Acid
  5. 5. Horizon
  6. 6. Humus
  7. 7. Physical Weathering When plants get into rocks and start to grow.
  8. 8. Abrasion This is a wind abrasion.
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