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Science Vocabulary

Continental Drift The movement of Earth's continents relative to each other.
Plate Tectonics Theory The theory that Earth's crust is made up of individual plates that gradually move in relation to each other.
Tectonic Plate One of several huge pieces of Earth's crust.
Lithosphere The part of Earth which is composed mostly of rocks; the crust and mantle core.
Fault A crack in a body of rock that the rock can move on.
Seismic Waves Waves of energy that travel through Earth's interior due to an earthquake, other tectonic forces, or an explosion.
Seismograph An instrument used to detect and measure earthquakes and other ground vibrations.
Seafloor Spreading Process by which new oceanic lithosphere forms at mid-ocean ridges as tectonic plates pull away from each other.
Created by: briannaq13