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Starting Point-Teaching Entry Level Geoscience > ConcepTests > ConcepTest Examples > ConcepTest: Spreading Rate of Spreading Center
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ConcepTest: Spreading Rate of Spreading Center

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

Question:

Scientists collect rock samples of the oceanic crust from a location that is 10 km from a spreading center. (1 km = 1000 m; 1 m = 100 cm; 1 cm = 10 mm.) The sampled rocks were found to be 200,000 years old. What can you say about the spreading rate of the spreading center?

a. It is much slower than expected.
b. It is in the expected range.
c. It is much faster than expected.

Student Responses:

No data yet. The correct response is B.

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References and Notes:


Subject

Geoscience:Geology:Tectonics

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

Time/Earth History, Solid Earth:Plate Tectonics

Topics

Time/Earth History, Solid Earth:Tectonics