ConcepTest: Box Modelling: Fluxes & Turnover Times part of 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: 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: Change in Porportion of Parent Isotopes Over Time part of 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: Isotopic Dating with Parent to Daughter Ratios part of 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: Which is not a Mineral? part of Examples
Which of the following can not be classified as a mineral? a. salt b. ice c. diamond d. glass

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: Temperature and Depth of Rock Formation #2 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: 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 ...

ConcepTest: Mt. Everest Limestone part of 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 ...