ConcepTest: Ocean Salinity #1

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
This material was originally created for Starting Point:Introductory Geology
and is replicated here as part of the SERC Pedagogic Service.

Question:

How would the salinity of the oceans vary if the continents and oceans each covered 50% of Earth's surface and precipitation and evaporation were similar to present?

a. salinity would be lower than today
b. salinity would be higher than today
c. salinity would be the same as today

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: