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: Box Modelling: Fluxes & Turnover Times part of Pedagogy in Action:Library:ConcepTests: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: 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: Cooling History of Magma #1 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The lines shown on the idealized graph below illustrate the cooling histories for the four magmas listed below, i.e., the lines illustrate how magma temperature decreased with time. What rock is best represented by ...

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: Isotope Mass and Atomic Number part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The isotope of element X has 15 protons, 17 neutrons, and 15 electrons. The element has an atomic number of ____ and a mass number of ____. a. 15; 32 b. 17; 15 c. 17; 47 d. 15; 30

ConcepTest: Temperature and Depth of Rock Formation #2 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The diagram below illustrates five potential combinations of temperature and depth that are characteristic of different rock types. Answer the question that follows using the diagram. Which letter is the best ...