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3.21: Planet Earth- Challenge 3

  • Page ID
    5359
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    1. The high point of a wave is called the ___.
    crest
    2. Earth's magnetic field is a clue that Earth's interior is made of ___.
    metal
    3. Scientists have learned a lot about Earth's interior through the study of ___.
    seismic waves, Earth's magnetic field, and rocks
    4. The lithosphere consists of the ___ and uppermost mantle.
    crust
    5. Which layer of Earth is made up of mostly iron metal?
    Core
    6. The ___ is made up of rock that is less dense than the mantle.
    crust
    7. ___ crust is thinner and denser than continental crust.
    Oceanic
    8. Which crust (Oceanic or Continental) is made up of basaltic rock?
    Oceanic
    9. Continental crust is ___.
    felsic
    10. Scientists know that the mantle is made up of rock based on evidence from ___.
    seismic waves, heat flow, and meteorites
    11. The ___ heats up the mantle.
    core
    12. Scientists can tell that the ___ is made of hot, solid rock from seismic waves, meteorites, and Earth's own internal heat.
    mantle

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