2991717
Description
Quiz by PEDRO ALVAREZ JIMENEZ, updated more than 1 year ago
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Created by PEDRO ALVAREZ JIMENEZ
almost 9 years ago
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Question 1
Question
Which 2 continents could fit into each other?
Answer
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Antarctica and Asia
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Africa and South America
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Europe and Asia
Question 2
Question
Why do we use the alignment of magnetic rocks to know how old a plate is?
Answer
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The older rock that's aligned with our current magnetic field
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The newer rock that's aligned with our ancient magnetic field
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The newer rock that's aligned with our current magnetic field
Question 3
Question
If you look at magnetite which is close to the mid-ocean ridge. What do you expect about its alignment?
Answer
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They're aligned in a way that you would expect with the current magnetic field
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They're aligned in a way that you would not expect with the current magnetic field
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They're aligned in a way that you would expect with the ancient magnetic field
Question 4
Question
And what about if magnetite is further?
Answer
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You have circles of other magnetic rock that is going in the opposite direction
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You have stripes of other magmatic rock that is going in the same direction
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You have stripes of other magnetic rock that is going in the opposite direction
Question 5
Question
Why this magnetic stripes pattern is an evidence of plate movement?
Answer
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Wegener discovered them
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The rift has had to move apart
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Magnetic stripes change throughout time
Question 6
Question
In present times, What system do we use to measure the plate movement?,
Answer
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Lageos
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Computer monitoring
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GPS satellites
Question 7
Question
Could you compare this speed to any biological process?
Answer
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The speed at which hair grows
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The speed at which fingernails grow
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The speed at which fbones grow
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