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