ConcepTest: Determining Numbers of Plates
Examine the map and answer the question that follows. X, Y, and Z represent continental lithosphere, the blank areas represent oceanic lithosphere.
How many plates are present?
The correct response is C.
Percentage of students choosing this answer. (% Before Discussion/% After Discussion):
a. 3 (26%/0%)
b. 4 (19%/18%)
c. 5 (44%/75%)
d. 6 (11%/7%)
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:
Resource TypeActivities:Classroom Activity:Short Activity:
Grade LevelCollege Lower (13-14):
Ready for Use
Ready to Use
ThemeTeach the Earth:Teaching Environments:
Intro Geoscience, Teach the Earth:Teaching Topics:
Earth System TopicsSolid Earth: