ConcepTest: Ocean Element Profiles - 1 part of Examples
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 part of Examples
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 ...

ConcepTest: Ocean Element Profiles - 2 part of Examples
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 ...

ConcepTest: Drivers of Ocean Salinity Variations part of Examples
Imagine ocean circulation stopped suddenly, with half of the world's salts in the northern hemisphere and half in the southern hemisphere. Assuming no net difference between evaporation and precipitation ...

ConcepTest: Change in Porportion of Parent Isotopes Over Time part of Examples
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

ConcepTest: Radioactive Decay part of Examples
If radioactive decay began with 400,000 parent atoms, how many would be left after 3 half lives? a. 200,000 b. 100,000 c. 50,000 d. 25,000

ConcepTest: Wood-Rock Analogy part of Examples
Wood burned in a fire is converted to ash and cinders. This could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock

ConcepTest: Rock Cycle Temperature Profile #3 part of Examples
The graph below illustrates how the temperature changed with time for part of the rock cycle. Which of the following is best represented by the graph? a. magma forms a plutonic igneous rock that is then uplifted to ...

ConcepTest: Rock Cycle Temperature Profile #6 part of Examples
The graph below illustrates how the temperature changed with time for part of the rock cycle. Which of the following is best represented by the graph? a. magma forms a plutonic igneous rock that is then uplifted b. ...

ConcepTest: Pacific Plate Motion part of Examples
Review the map of the plates below and predict which pair of locations is moving closer together as a result of plate tectonics? a. Bombay and Sydney b. Hawaii and Tokyo c. New York and London d. Cape Town and ...