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6 Cards in this Set
- Front
- Back
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Three types of plate boundaries |
Divergent, convergent, transform |
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Explain the process of seafloor spreading |
Molten material rises through a mid ocean ridge then the molten material spreads out pushing older rock to both sides of the ridge finally new rock is added to the ocean floor. |
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Why did scientists reject Wegener 's theory |
He couldn't explain how it happened |
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Three things that combine and help set convection currents into motion: |
Temperature, changes in density, and force of gravity |
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Major difference between inner core and outer core |
The outer core is made of molten material and the inner core is solid |
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Three types of evidence that support the theory of seafloor spreading |
Eruption of molten material, magnetic stripes, drilling samples |
