Stack #219007
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| Scientists who study the nonliving parts of the earth | geologists
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| The center of the earth | core
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| The middle layer of the earth | mantle
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| The mantle is made of hot melted rock called: | magma
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| The outer layer of the earth is called | crust
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| Famous for the methods he used to measure distances and substances inside the earth. | Gutenberg
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| Small bits of weathered rock produced by weathering. | sediment
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| The movement of sediment from one place to another is called: | Erosion
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| Particles in the soil that were once part of a living thing. | Organic
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| The top layer of soil | Topsoil
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| Name the three main layers of the earth. | Crust, core, mantle
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| Loose material on the surface of the earth. | soil
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| Inorganic substance found naturally in the earth. | Mineral
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| Scientists who study minerals. | mineralologists
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| Pieces of minerals. | samples
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| Characteristics of minerals. | crystal structure, color, luster, hardness and cleavage
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| Results from the orderly arrangement of the particles that make up the mineral. | crystal
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| Words used to describe the luster of a mineral | dull, metallic, pearly, brilliant
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| Develped a scale to measure the hardness of a mineral | Mohs
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| The breaking of a mineral along smooth, straight lines or into flat sheets. | Cleavage
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| To break unevenly in many directions. | fracture
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| Scratching a sample with another mineral or substances is a test for which characteristic? | hardness
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| A mineral that can be cut and polished for use. | gemstone
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| A gemstone that is beautiful and rare. | precious
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| More common gemstones and easier to find. | semiprecious
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| Manmade gemstones | synthetic
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| Causes metal to melt and separate from the other rock materials. | smelting
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| pocket or strip of a mineral within the earth. | vein
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| Skilled craftsman who carefully cuts gemstones | lapidary
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| A hard, natural substance made of one or more minerals. | rock
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| Forms from volcanic magma or lava. | Igneous rock
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| Examples of Igneous rock | pumice, obsidian, basalt, granite
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| forms when layers of sediment and organic material harden.q | Sedimentary
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| Example of sedimentary rocks | sandstone
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| Forms by heat and pressure deep below the earth's crust | metamorphic
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| Name the three types of rocks. | Igneous, sedimentary, metamorphic
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| Term that describes a metamorphic rock that can break apart into flate sheets. | slate
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| Name the hardest mineral | diamond
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