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: Cross-Section of Plate Boundaries part of 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: Relative Layer Age #1 part of Examples
Examine the image below and determine which layer is oldest. Image courtesy of Alexandra Moore, Cornell University a. Layer 1 b. Layer 2 c. Layer 3

ConcepTest: Radioactive Decay part of 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: 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: Oceanic Floor Width part of Examples
Two ocean basins of identical size are almost surrounded by continents. The oceanic lithosphere below Ocean A is bordered by plate boundaries. The sea floor under Ocean B has a plate boundary running along its ...

ConcepTest: Egg-Rock Analogy part of Examples
Cooking an egg could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock.

ConcepTest: Cooling History of Magma #3 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. ...