ConcepTest: Change in Porportion of Parent Isotopes Over Time
This material was originally created for
Starting Point:Introductory Geology and is replicated here as part of the SERC Pedagogic Service.
Initial Publication Date: May 8, 2006
Question:
Which graph below best represents the change in the proportion of unstable (parent) radioactive isotopes with time?
a. A
b. B
c. C
d. D
a. A
b. B
c. C
d. D
Student Responses:
No data yet. The correct response is a.
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).