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ConcepTest: Popcorn-Rock Analogy

ConcepTest questions by David McConnell , David Steer ( This site may be offline. ) , Walter Borowski, Jeffrey Dick, Annabelle Foos, Jeffrey Knott, Alvin Konigsberg, Michelle Malone, Heidi McGrew, Kathie Owens, and Stephen Van Horn

Question:

Popcorn changes from kernels of corn to popped corn with the application of heat. This could be seen as an analog for the formation of
a. igneous rock
b. metamorphic rock
c. sedimentary rock.

Student Responses:

No data yet. The correct response is B.

If you would like to help acquire more Before and After statistics for this example, please contact the authors (see link at top of page).

References and Notes:

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