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16 Cards in this Set

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landform
any feature on the surface of the Earth; examples are beaches, mountains, and valleys
glacier
a large mass of ice in motion
mineral
this is what all rocks are made of
obsidian and basalt
these rocks form from melted rock that cools quickly on the Earth's surface
erosion
a process where weathered materials are moved from place to place
weathering
the process that causes rocks on Earth's surface to crumble, crack, and break
limestone
a rock made up of shells, skeletons of sea animals, and hardened parts of sea plants
weathered materials and rocks
these become stuck in ice as glaciers move over the land
hurricane
a violent storm from the ocean with strong winds and heavy rains
earthquake
a sudden movement of rock in the Earth's crust
volcano
causes on opening in the surface of the Earth
lava
melted rock that flows out of the ground
landslide
occurs when earthquakes, heavy rains, and melting snow loosens soil, rocks, and sand
metamorphic rocks
rocks that are squeezed and heated below Earth's surface
sedimentary rocks
rocks formed when bits of soil, mud, and rock at the bottom of oceans,
rivers, and lakes pile up over time
igneous rocks
rocks formed when melted rock cools and hardens