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Science Unit 2 About 9 minutes

Plate Tectonics

    Earth's crust is in pieces

    Earth's crust is broken into large pieces called plates, and the plates move slowly on the mantle.

    Mantle Plate Plate Plate The plates move.
    Plate: a large piece of Earth's crust that moves slowly on the mantle. Mantle: the thick, hot layer of rock under the crust.

    Watch Pangaea break apart

    Pangaea
    Pangaea: 1 large landmass that contained all the continents long ago.

    Try it

    Move 2 plates

    1. Pick a type of boundary.
    2. Move the slider to the right.
    3. Look at the result at the boundary.

    Quick check

    Answer 5 questions. You see your score at the end.