Chapter 4 - Geog Word Scramble
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Term | Definition |
Mechanical Weathering is | the break up of rocks into smaller pieces. This type of weathering is caused by frost, sudden temperature change, plants and animals. |
Frost Action(freeze-thaw action) is | a type of mechanical weathering |
Frost Action(freeze-thaw action) happens when | 1. During the day water falls into the cracks in rocks 2. At night, temperatures fall below freezing,the water freezes + expands. This widens the cracks + puts pressure on the rock. 3. Over time, freeze-thaw action keeps happening and the rock breaks. |
Scree is | The rock particles that fall off because of freeze-thaw action. |
Frost Action (freeze-thaw action) happens where | 1. Temperatures regularly raise and fall below freezing point. 2. Where rain and snow happen regularly. |
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