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5C ch 1 Vocabulary

TermDefinition
core the center of the Earth
crust the thin, outer layer of Earth
earthquake a shaking of the ground caused by the sudden release of energy in Earth’s crust
fault a break or place where pieces of Earth’s crust move
magma a hot, soft rock from Earth’s lower mantle
mantle the layer of rock beneath Earth’s crust
plate the rigid blocks of crust and upper mantle rock
volcano a mountain formed by lava and ash
continental drift a theory of how Earth’s continents move over its surface
fossil the remains or traces of past life found in sedimentary rock
Pangea a supercontinent containing all of Earth’s land that existed about 225 million years ago
deposition the process of dropping, or depositing, sediment in a new location
landform a physical feature on Earth’s surface
weathering the process of breaking rock into soil, sand, and other tiny pieces
erosion the process of moving sediment from one place to another
mass movement a downhill movement of rock and soil because of gravity
Created by: mbeisert
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