Plate Tectonics

A plate boundary where two plates move away from each other is called

• Divergent Boundary
• Convergent Boundary
• Transform Boundary
• Subduction

Scientists hypothesize that a super continent existed 200 million years ago.  This continent is called

• America
• Super Earth
• Pangea
• Eurasia

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A Plate Boundary where two plates move toward each other is called

• Convergent Boundary

• Divergent Boundary

• Transform Boundary

• Subduction

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Convergent Plate Movement, where plates move towards each other, can create

• Rifts

• Mountains

• Ocean Ridges

• Radiation

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Divergent Plate movement, where plates move away from each other, can create

• Convection Currents

• Conduction

• Mountains on land

• Rift Valleys on land and the mid ocean ridge in water.

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When pressure builds between two tectonic plates, it can suddenly release causing a (an) ______________________

• Earthquake
• Volcano
• Convection Current
• Gravitational Pull

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The movement of metals within the earth's outer core cause a ____________________________ that is detectable on the earth's surface using a compass

• Gravitational Pull
• Volcanic Eruption
• Magnetic field
• Convection Current

The Mid Oceanic Ridge is created by

• a convergent boundary (plates collide)

• a divergent boundary (plates move away from each other)

• a subduction zone (one plate dives under another palte)

• a transform boundary (plates move opposite each other)

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Mountains on land form from ...

• plates sliding past one another

• collision of plates

• plates moving away from each other

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During sea floor spreading, molten material rises up from the mantle...

• along the continents
• at the mid ocean ridges
• deep ocean trenches
• at north and south poles

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