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science ig
Question | Answer |
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a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition | mineral |
a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals | Moh’s hardness scale |
the color of a mineral’s powder | streak |
the way a mineral reflects light from its surface | luster |
a mineral’s ability to split easily along flat surfaces | cleavage |
the way a mineral looks when it breaks apart in an irregular way | fracture |
the property of a mineral in which the mineral glows under ultraviolet light | fluorescence |
the look and feel of a rock’s surface, determined by the size, shape, and pattern of a rock’s grains | texture |
a particle of mineral or other rock that gives a rock its texture | grain |
a type of rock that forms from the cooling of molten rock at or below the surface | igneous rock |
a type of rock that forms from existing rock that is changed by heat, pressure, or chemical reactions | metamorphic rock |
a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together | sedimentary rock |
igneous rock that forms from lava on Earth’s surface | extrusive rock |
igneous rock that forms when magma hardens beneath Earth’s surface | intrusive rock |
small, solid pieces of material that comes from rocks or organisms | sediment |
the destructive process in which water or wind loosen and carry away fragments of rock | erosion |
term used to describe metamorphic rocks whose grains are arranged in parallel layers or bands | foliated |
a series of processes on the surface & inside Earth that slowly change rocks from one kind to another | rock cycle |