click below
click below
Normal Size Small Size show me how
5C ch 1 Vocabulary
Term | Definition |
---|---|
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 |