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15 Cards in this Set

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