Science 8: Chapter 7: Lesson 2
Quiz by Mikaela Janicke
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11 questions
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- Q1Place where new oceanic crust formsMid-Ocean RidgeSeafloor SpreadingMagnetic ReversalNormal Polarity60s
- Q2Magnets point north when Earth’s magnetic field has this.Reversed PolarityMid-Ocean RidgeSeafloor SpreadingNormal Polarity60s
- Q3Process that forms new oceanic crust and moves itSeafloor SpreadingNormal PolarityReversed PolarityMagnetic Reversal60s
- Q4Takes place when Earth’s magnetic field changesReversed PolarityNormal PolaritySeafloor SpreadingMagnetic Reversal60s
- Q5Magnets point south when Earth’s magnetic field has this.Seafloor SpreadingReversed PolarityNormal PolarityMagnetic Reversal60s
- Q6Where does seafloor spreading take place?Mid-Ocean RidgesTopographyContinental CrustAreas of no pressure60s
- Q7Oceanic crust that is farther away from a mid-ocean ridge is?OlderNewer60s
- Q8Oceanic crust that is closer to a mid-ocean ridge is?OlderNewer60s
- Q9The high thermal-energy flow at a mid-ocean ridge comes fromfishmagmalavaSeawater60s
- Q10Magnetic bands on the ocean floor are evidence that Earth's magnetic fieldnever movesstays the samechanges60s
- Q11Knowledge of seafloor spreading could have helped Alfred Wegener gain more support for his hypothesis ofgravityevolutioncontinental drift.natural selection60s