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Science Ch. 1
C30 Chapter Review
Question | Answer |
---|---|
landform | physical features on the Earth's surface, such as a mountain or valley |
weathering | the process of breaking rock into silt, sand, and other tiny pieces called sediment |
erosion | ______is the process of moving sediment from one place to another |
deposition | the process of dropping, or depositing, sediment in a new location |
mass movement | the downhill movement of rock and soil because of gravity |
fault | a break in the Earth's crust, along which pieces of the crust move |
mantle | the layer of rock beneath Earth's crust |
core | the center of the Earth |
plate | a rigid block of Earth's crust and upper mantle rock |
magma | molten rock from the Earth's mantle |
volcano | mountain formed by lava and ash. |
earthquake | sudden release of energy in the Earth's crust |
fault | a break in the Earth's crust, along which pieces of the crust move. |
continental drift | the theory that the continents move over Earth's surface. |
Pangea | the supercontinent that held all of Earth's land 225 million years ago. |
fossils | remains or traces of past life found in Earth's crust. |
arches, tables, dunes | formed when wind erodes rock and deposits sediments. |
terminal moraines | water erodes rocks and deposits sediments to form this. |
deltas, beaches, canyons, sinkholes, floodplains | ice erodes rock and deposits sediments to form these. |
crust, mantle and core | Layers of the Earth, beginning with the outermost. |
continental drift | formed Gondwana and Laurisa |
Cenozoa | NOT an ancient continent. |