Lesson 4.11 Magnetic Stripes and Sea Floor Spreading
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Last updated 7 months ago
11 questions
Required
1
Describe what happens to the iron filings as you move the magnets underneath the box.
Describe what happens to the iron filings as you move the magnets underneath the box.
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1
How do the magnets and the filings replicate what happens when a liquid containing iron is exposed to the magnetic field of the earth?
How do the magnets and the filings replicate what happens when a liquid containing iron is exposed to the magnetic field of the earth?
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1
What type of crust underlies the ocean?
What type of crust underlies the ocean?
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1
What aspect of the oceanic crust did scientists begin to study in the 1950s?
What aspect of the oceanic crust did scientists begin to study in the 1950s?
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1
What did sailors in the late 18th century attribute magnetic disturbances near Iceland to?
What did sailors in the late 18th century attribute magnetic disturbances near Iceland to?
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1
Why was magnetometer technology first developed?
Why was magnetometer technology first developed?
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1
What unexpected pattern did scientists observe during the first magnetic surveys of the ocean floor?
What unexpected pattern did scientists observe during the first magnetic surveys of the ocean floor?
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1
What causes the Earth's magnetic field to produce stripes on the ocean floor?
What causes the Earth's magnetic field to produce stripes on the ocean floor?
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1
Where are the youngest rocks in the Atlantic Ocean located?
Where are the youngest rocks in the Atlantic Ocean located?
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1
How do magnetic stripes form on the seabed over time?
How do magnetic stripes form on the seabed over time?
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1
What theory is closely related to the discovery of magnetic striping?
What theory is closely related to the discovery of magnetic striping?