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: 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 ...

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: 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: What percentage of parent isotopes remain? part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The half-life of a radioactive isotope is 1,000 million years. Scientists testing a rock sample discover that the ratio of parent and daughter isotopes indicates that the rock is 3,000 million years old. What ...

ConcepTest: Raisin-Rock Analogy part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Grapes dried slowly in a warm oven are converted to raisins. This could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock.

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?

ConcepTest: Mt. Everest Limestone part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The rock on top of Mt. Everest is a shallow marine limestone deposited 200 million years ago. What does this tell us about the geologic history of the Himalayas? a. 200 million years ago the Himalayas did not ...