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17 Cards in this Set
- Front
- Back
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crust
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top layer of earth
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fossil
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the parts or outlines of a living thing from long ago
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geologists
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people who study the earth’s rocky crust
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igneous
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rocks from hot liquid inside the earth
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inner core
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innermost part of earth, a hot solid mostly made of iron
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lava
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hot liquid material that reaches earth’s surface
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magma
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hot liquid material that forms inside earth
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mantle
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layer of rock beneath the crust
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metamorphic
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changed in physical form, appearance, or character
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mineral
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solid matter found in nature but is not made by plants or animals
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outer core
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surrounds inner core of earth; a hot liquid mostly made of iron
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erode
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to wear away outer layers of rock or soil, or to be gradually worn away by the action of the wind or water
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rock
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solid made of one or more minerals
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sediment
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sand, dirt, and decayed bits of plants and animals
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sedimentary
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rocks made from layers of sediment being ‘glued’ together
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rock cycle
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changing of rocks into other rocks
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plates
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big slabs of rock that make up Earth’s crust
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