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19 Cards in this Set
- Front
- Back
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Describe the charateristics of soil horizon A |
Covered in litter, very soil |
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Describe the charateristics of soil horizon B |
Contains minerals from leaching, less fertile than A |
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Describe the charateristics of soil horizon C |
Weatherd rock, very unfertile, little organic material |
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What is the differentce between mechanical and chemical weathering? |
Mechanical is the breaking down of rocks in a physical process while chemical is breaking down rocks using chemicals. |
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What is a drainage basin? What basin is Tea in? |
A drainage basin is an area of land from which streams and rivers collect runoff. Tea is in the Mississippi River basin. |
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Who created the theory of continental drift? |
Alfred Wegener |
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What are the components of soil? |
Organic material, water, air, and mineral fragments |
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What are 3 methods farmers can use to reduce runoff. |
No-Till Farming Terracing Overgrazing |
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True or false: One stream could be in all three stages of stream |
True |
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What is humas? |
Humus is dark colored, decayed organic material |
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What are the four agents of eroison? |
Wind, glaciers. water, gravity |
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What do divergent plate boundries create? |
Valley rifts |
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What do convergent plate boundries create? |
They create mountains. |
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What do transform plate boundries create? |
Valcanoes |
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What are the three types of earthquake waves? |
Primary, Secondary, and surface. |
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Where is the epicentar of an earthquake found? |
On the crust of earth. |
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What are convection currents? |
when hot material rises, cools, and sinks |
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What is the difference between absoulute age and relative age. |
Absolute age is the excact age of a rock compared to its charateristics. Relative age is the age of a rock compared to things around it. |
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What tool is used to measure an earthquake? |
Siesmograph |
