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12 Cards in this Set

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  • Back
What word is used to identify the ramains or traces of past life found in the Earth's crust?
fossils
What is a shaking of the ground caused by the sudden release of energy in Earth's crust?
earthquake
What is the name of an ancient "supercontinent" that a theory suggests contained all of Earth's land 225 million years ago?
Pangea
What is the process of breaking rock into soil, sand, or other tiny pieces?
erosion
What word means "a physical feature of the Earth's surface"?
landform
What is an opening in Earth's crust through which lava flows?
volcano
What is the process of dropping, or depositing, sediment in a new location?
deposition
What is the name for the theory of how Earth's continents move over its surface?
continental drift
What is Earth's hottest layer; the center layer of Earth?
core
What is the layer of rock beneath Earth's crust?
mantle
What is hot, soft rock from Earth's lower mantle?
magma
What is the downhill movement of rock and soil because of gravity?
mass movement