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| 1. |
From the center of the Earth outward, what are the three layers of Earth?
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| 2. |
Which of the following is the thinnest Earth shell?
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| 3. |
Label the diagram with the appropriate terms.
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
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| 4. |
Match the term with the appropriate description.
Using the pulldown boxes, match each item on the left to the corresponding item at right.
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| A. the thin, rocky outer skin, topped by continents |
| B. the thin, rocky outer skin, topped by oceans |
| C. a solid, rocky shell composing about 82% of Earth’s volume |
| D. solid iron-nickel alloy at the center of the Earth |
| E. the strong lower mantle, below the asthenosphere |
| F. a liquid layer at the top of the core, that generates Earth’s magnetic field |
| G. weak, soft layer composed of the mantle beneath the lithosphere |
| H. strong, rigid layer composed of the crust and the upper mantle |
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| 5. |
What two ways do geologists define the Earth’s interior layers?
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| 6. |
All of the following are true about the Earth’s lithosphere except _______.
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| 7. |
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| 8. |
Continental shields are _____________.
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| 9. |
Choose the appropriate label for each letter on the diagram
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
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[Hint]
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[Hint]
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[Hint]
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[Hint]
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[Hint]
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| 10. |
Which of the following lists is most correct for features associated with the ocean floor?
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| 11. |
The oceanic crust is composed of dark igneous rocks called __________; whereas the upper continental crust has an average composition of a __________ rock.
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Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
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