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19 Cards in this Set
- Front
- Back
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Name all the layers of the earth |
Inner core Outer core Mantle Crust |
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Which layer of the earth is the thinnest? |
Crust |
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What are plates made up of? |
Lithosphere |
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What is the lithosphere made up of? |
Crust and solid upper mantle |
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What is fission? |
The process of breaking a heavy element into smaller pieces by creating a chain reaction, which breaks apart the nucleus. |
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Where on earth does fission occur? |
The core of the earth. |
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What is believed to cause the plates to move? |
Fission in the core provides the energy to create convection currents in the mantle, causing plates to move. |
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Where do earthquakes mainly occur? |
Along plate boundaries. |
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Where do volcanoes mainly occur? |
Along plate boundaries. |
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What happens at a divergent plate boundary? |
The plates move apart and new matterial is added to earths crust. |
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What happens at a convergent plate boundary? |
Where plates move together and form a collision or subduction zone. |
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What happens when energy builds up along plate boundaries and releases? |
An earthquake. |
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How does the energy of an earthquake travle? |
In waves |
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What is magnitude? |
The measure of energy released by an earthquake. |
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What does the theory of plate techtonics come from? |
Siesmis data and paleomagnetic banding |
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What causes a shield volcano to be shaped the way it is? |
The fluid and low viscosity lavas. |
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How are the layers of the earth divided up? |
Density |
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What layer can P waves not travel through? |
The outer core |
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What mointains is an example of mountains formed by continental to continental plate collision? |
Himilayas |
