ConcepTest: Sedimentary Rock Formation
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.
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:
SubjectGeoscience:Geology:Sedimentary Geology:Sediments and Sedimentary Rocks:
Resource TypeActivities:Classroom Activity:Short Activity:
Grade LevelCollege Lower (13-14):
Ready for Use
Ready to Use
Earth System TopicsSolid Earth:Earth Materials: