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Dynamic Earth Study

What causes granite to break down? moss/lichen or groundwater
What results from rock abrasion? rocks breaking down or wearing down
What happens to a rock when it is weathered? it breaks down slowly
What are 5 causes of physical weathering? 1. pressure 2. plants 3. animals 4. wind, water, gravity 5. temperature
What are the 4 causes of chemical weathering? 1. acid precipitation 2. oxidation 3. acid in living things 4. groundwater
Which causes do chemical and physical weathering have in common? they both break down rock
What are 2 main causes of crack growth in rocks over time? ice wedging and plant growth
How does weathering affect a soft rock compared to a hard rock? Why? soft rock is more vulnerable and weak
What are 3 causes of abrasion of a rock? 1. water 2. wind 3. gravity
What happens to rock because of chemical weathering? it changes color and it crumbles and breaks easier
Created by: lauren.madden