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ConcepTest: Magnetic Polarity at Oceanic Ridge #2

ConcepTest questions by David McConnell , David Steer , Walter Borowski, Jeffrey Dick, Annabelle Foos, Jeffrey Knott, Alvin Konigsberg, Michelle Malone, Heidi McGrew, Kathie Owens, and Stephen Van Horn


The figure below represents a magnetic profile across an oceanic ridge system. Which pairs of letters indicate matching intervals of normal polarity.

a. B, H
b. B, G
c. B, D
c. C, F

Magnetic Plot of Oceanic Ridge

Student Responses:

No data yet. The correct response is B.

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References and Notes:



Resource Type

Activities:Classroom Activity:Short Activity:ConcepTests

Grade Level

College Lower (13-14):Introductory Level

Ready for Use

Ready to Use

Earth System Topics

Solid Earth:Geomagnetism, Plate Tectonics




Teach the Earth:Teaching Environments:Intro Geoscience, Teach the Earth:Teaching Topics:Plate Tectonics