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15 Cards in this Set
- Front
- Back
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TERMINAL MORAINES
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a landform formed by glaciers
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U-SHAPED VALLEYS
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a landform formed by glaciers
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THREE KINDS OF MASS MOVEMENT
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mudslides, landslides, and creep
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RIVER DELTA FORMATION
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sediments carried by river slows down as it empties into the ocean; deposits of sediments are made thus building deltas
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CORE
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Earth's center and hottest layer.
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2 PARTS OF THE CORE
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Outer section of Earth's core is molten rock. Inner section is solid because of the pressure exerted on it
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MANTLE
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middle layer of the Earth is made of soft, hot rock
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MAGMA
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soft, hot rock; magma makes up the middle layer of Earth (mantle)
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VOLCANOES
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when hot, soft rock reaches Earth's upper layer through openings (volcanoes)
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LAVA
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magma--hot, soft rock--is called lava when it flows on Earth's surface
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CRUST
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outermost layer of Earth; it is made up of many plates that float on the soft rock below them
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EARTHQUAKE
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when pieces of Earth's surface plates crash together or scrape against one another causing this release of energy
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FAULTS
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places where pieces of Earth's crust move, bend, or break causing these cracks in the crust
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PANGAEA
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theory that a supercontinent, about 225 million years ago, included all the land on Earth--a SUPERCONTINENT
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FOSSILS
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remains of plants and animals of the past
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