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ConcepTest: Magnetic Inclination

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 diagram below shows the magnetic inclination determined for three lava flows preserved in a cliff. (Assume that Earth's magnetic field was in the same orientation as it is today.) What happened to the plate on which these rocks were formed?

The plate moved toward the _______ in the ________ Hemisphere.

a. Equator; Southern
b. Equator; Northern
c. Pole; Southern
d. Pole; Northern

Diagram of Magnetic Inclination

Student Responses:

No data yet. The correct response is C.

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References and Notes:


Geoscience:Geology:Tectonics, Igneous and Metamorphic Petrology

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:Plate Tectonics, Geomagnetism, Earth Materials:Rocks


Solid Earth:Tectonics, Petrology


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