Question

Rocks become magnetic when(1 point)
Responses

Earth's magnetic field reverses direction.
Earth's magnetic field reverses direction.

iron particles within the rock align with Earth's magnetic field.
iron particles within the rock align with Earth's magnetic field.

continents move.
continents move.

rocks are heated to extreme temperatures.

Answers

Answer
What can scientists learn from magnetic striping patterns? Select the three correct answers.(2 points)
Responses

the cause of magnetic pole reversals
the cause of magnetic pole reversals

the direction plates are moving relative to each other
the direction plates are moving relative to each other

the location of ancient faults caused by seismic activity.
the location of ancient faults caused by seismic activity.

the speed of one plate as it subducts below another plate
the speed of one plate as it subducts below another plate

the exact location of the next earthquake along the California coast
the exact location of the next earthquake along the California coast

the year the next magnetic reversal will take place
Answer
Identify the factors that cause magnetic stripes to form along the ocean floor. Select the two correct answers.(1 point)
Responses

Rock forming at the oceanic ridge pushes older rock outward in both directions.
Rock forming at the oceanic ridge pushes older rock outward in both directions.

Magma acquires the magnetic direction present on Earth when it hardens into rock
Magma acquires the magnetic direction present on Earth when it hardens into rock

Plates move as new rock forms, which causes magnetic direction to skew away from normal.
Plates move as new rock forms, which causes magnetic direction to skew away from normal.

Magnetic direction of rock changes as Earth’s magnetic poles drift.
Answered by GPT 3.5
rocks are heated to extreme temperatures.
Answered by GPT 3.5
the cause of magnetic pole reversals
the direction plates are moving relative to each other
the speed of one plate as it subducts below another plate
Answered by GPT 3.5
Magma acquires the magnetic direction present on Earth when it hardens into rock
Plates move as new rock forms, which causes magnetic direction to skew away from normal.

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