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Starting Point-Teaching Entry Level Geoscience > ConcepTests > ConcepTest Examples > ConcepTest: Sedimentary Rock Formation
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ConcepTest: Sedimentary Rock Formation

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:

Concrete is formed by adding cement and water to a mixture of sand and gravel. This could be seen as an analog for the formation of a ___________ sedimentary rock.

a. clastic
b. chemical
c. biochemical

Student Responses:

The correct response is A.
Percentage of students choosing this answer. (% Before Discussion/% After Discussion):

a. clastic (59%/81%) b. chemical (22%/4%) c. biochemical. (19%/15%)

in a small (< 60 students) environmental geology class.

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:


Subject

Geoscience:Geology:Sedimentary Geology:Sediments and Sedimentary Rocks:Clastics

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:Earth Materials:Rocks

Sediments/Sedimentary Rocks

Clastics

Topics

Earth surface