What do you call a tectonic plate which spreads apart form another??
A constructive plate boundary
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How is a constructive boundary formed???
One tectonic plate moves away from another and magma rises and becomes solid this then form a volcano and land
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what is Alfred Wegner's evidence to the Continental drift???
Alfred discovered that the fossils on south America and south Africa were the same so at one point they must have been joined because these animals and plates cant swim
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what happens at a deconstruction boundary??
A oceanic plate which is heavier than a continental plate is forced under and this creates a friction that stops then gives way and this then creates a earth quake the rock then breaks up and turns into magna
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why is Iceland growing???
Iceland is growing because the two plate boundaries it sits on is spreading out each year.
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Other cards in this set
Card 2
Front
How is a constructive boundary formed???
Back
One tectonic plate moves away from another and magma rises and becomes solid this then form a volcano and land
Card 3
Front
what is Alfred Wegner's evidence to the Continental drift???
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