ConcepTest: Ocean Element Profiles - 1 part of Pedagogy in Action:Library:ConcepTests: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 ...

Concept Test: Mid-Ocean Ridges part of Visualization:Examples
Single item multiple choice questions, based on mid-ocean ridge bathymetric data, suitable for using in the middle of a lecture to assess students' learning of basic plate tectonic concepts.

ConcepTest: Ocean Element Profiles - 2 part of Pedagogy in Action:Library:ConcepTests: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 Pedagogy in Action:Library:ConcepTests: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 Starting Point-Teaching Entry Level Geoscience:ConcepTests: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 Starting Point-Teaching Entry Level Geoscience:ConcepTests: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: Isotopic Dating with Parent to Daughter Ratios part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The half-life of a radioactive isotope is 500 million years. Scientists testing a rock sample discover that the sample contains three times as many daughter isotopes as parent isotopes. What is the age of the rock? ...

ConcepTest: Rock Cycle Temperature Profile #3 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests: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: Pacific Plate Motion part of Starting Point-Teaching Entry Level Geoscience:ConcepTests: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 ...

ConcepTest: Cross-Section of Plate Boundaries part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The map below shows the plate configurations along the western margin of North America. Which of the four diagrams on the right best represents a cross section through the outer layers of Earth along the line X-Y?