ConcepTest: Magnetic Inclination part of Library:ConcepTests:Examples
The diagram below shows the magnetic inclination determined for three lava flows preserved in a cliff. (Assume that Earth's magnetic field was in the same orientation as it is today.) What happened to the ...

ConcepTest: Best Index Fossil part of Library:ConcepTests:Examples
Four outcrops of rock are examined in different locations of a state. The rock types and the fossils they contain are illustrated in the adjacent diagram. Which fossil would be the best choice to use as an index ...

ConcepTest: Temperature and Depth of Rock Formation #4 part of Library: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 ...

ConcepTest: Angluar Unconformity Sequence of Events part of Library:ConcepTests:Examples
The diagram below shows rock units with their age in millions of years. When did crustal deformation (uplift or mountain building) occur? a. less than 60 million years ago b. more than 200 million years ago c. ...

ConcepTest: Relative Time Diagram #2 part of Library:ConcepTests:Examples
Match the features in the relative time diagram below with the events described in the short sentences. Assume all rocks are sedimentary unless otherwise indicated. Which unit was formed before A but after E? a. C ...

ConcepTest: Relative Time Diagram #4 part of Library:ConcepTests:Examples
Match the features in the relative time diagram below with the events described in the short sentence. Assume all rocks are sedimentary unless otherwise indicated. Which sedimentary unit did not experience contact ...

ConcepTest: Relative Time Diagram #1 part of Library:ConcepTests:Examples
Match the features in the relative time diagram below with the events described in the short sentence. Assume all rocks are sedimentary unless otherwise indicated. Which is the oldest rock unit? a. A b. B c. C d. D ...

ConcepTest: Rock Ages part of Library:ConcepTests:Examples
Match the features in the relative time diagram below with the events described in the short sentences. Assume all rocks are sedimentary unless otherwise indicated. What is the best estimate of the age of F if A is ...

ConcepTest: Isotopic Dating with Parent to Daughter Ratios part of Library: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: Oldest Rock Dating #1 part of Library:ConcepTests:Examples
The world's oldest known rock is approximately 4 billion (4,000 million) years old. What are the approximate relative percentages of parent and daughter isotopes for Uranium-238 and Lead-206 (half-life = 4.5 ...

ConcepTest: Worldwide Tectonic Portrait #6 part of Library:ConcepTests:Examples
The schematic cross sections below illustrate four models of relative plate motions and plate boundary geometry. Which of the cross sections best represents the characteristics of the plate boundary at location 6 ...

ConcepTest: Cooling History of Magma #2 part of Library: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: Cross-Sections of Plate Boundaries part of Library: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: Temperature Change over Time in Rock Formation part of Library: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. sediment is lithified to form sedimentary rock b. ...

ConcepTest: Temperature and Depth of Rock Formation #3 part of Library: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 ...

ConcepTest: Rock Cycle Temperature Profile #4 part of Library: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 b. ...

ConcepTest: Rock Cycle Temperature Profile #5 part of Library: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: Rock Cycle Temperature Profile #3 part of Library: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: Location of Volcanoes part of Library:ConcepTests:Examples
Which one of these boundaries pictured in the diagrams below is least likely to have active volcanoes? A. a B. b C. c

Using Learning Assistants to Support Peer Instruction with Classroom Response Systems ("Clickers") part of Library:Teaching with Learning Assistants:Examples
Learning Assistants are used to facilitate student discussion in peer instruction during clicker questions (i.e., classroom response systems), by asking Socratic questions, emphasizing reasoning, and probing student thinking.