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: 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: Temperature and Depth of Rock Formation #1 part of 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: Relative Time Diagram #2 part of 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: What percentage of parent isotopes remain? part of 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: Cooling History of Magma #4 part of 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 #1 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. sediment is lithified to form sedimentary rock b. ...

ConcepTest: Rock Cycle Temperature Profile #2 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. sediment is lithified to form sedimentary rock b. ...

Conceptest: Cooling rate of Igneous Rocks part of Examples
What is the most likely cooling rate and composition of a light colored, small grained igneous rock? A. Cooled rapidly, low silica B. Cooled rapidly, high silica C. Cooled slowly, low silica D. Cooled slowly, high ...

ConcepTest: Magnetic Inclination part of 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 ...