Earth System Topics: Oceans Show all Earth System Topics: Oceans
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ConcepTest: Ocean Element Profiles - 2
Which element could have a depth profile in the ocean that looks like this? A. It probably has a source from the atmosphere B. It is probably an essential nutrient for phytoplankton C. It probably has a source ...
ConcepTest: Ocean Element Profiles - 1
Which element could have a depth profile in the ocean that looks like this? A. Oxygen, an element produced during photosynthesis B. Barium, an element required in trace amounts for micro-organisms C. Nitrogen, a ...
ConcepTest: Box Modelling: Fluxes & Turnover Times
Which of the following is true of the simplified ocean-atmosphere water cycle depicted in the box model below? A. There is a net flux of water from ocean to atmosphere. B. There is a net flux of water from ...
Bob Mackay, Clark College
Students view and analyze buoy, satellite, temperature vs. depth data to learn about ocean circulation and how is related to atmospheric circulation. -
Exploring oil spills
Kevin Theissen, University of St. Thomas (MN)
This activity combines a hands-on demonstration and a follow-up homework assignment designed for students to investigate oil spill clean-up.
ConcepTest: Ocean Salinity #2
How would salinity of the oceans vary if the oceans were twice as deep as present and held approximately twice as much water? a. Salinity would be less than present b. Salinity would be greater than present c. ...
ConcepTest: Ocean Salinity #1
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. ...
ConcepTest: Ocean Salinity During an Ice Age
One million years ago ice sheets covered much of the Earth's land surface during an ice age. How did this affect the salinity of the oceans? a. Oceans were saltier than today. b. Oceans were less salty than ...
ConcepTest: Ocean Salinity #3
Predict what would happen to the salinity of the world's oceans if the Indian Ocean was blocked off and all of its water evaporated. a. World's oceans would become more salty b. World's oceans would ...
ConcepTest: World Oceans #2
Examine the map of the world's oceans and use it to answer the following question. Which of the locations would yield the lowest salinity values? a. B b. D c. C d. F