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Rocks and minerals

QuestionAnswer
Rock A solid material made of one or more minerals
Mineral Solid, from nature, 1 or more makes a rock
Igneous rocks Created when lava cools and hardens
Sedimentary Rocks Formed in layers over time- fossils can be found here
Metamorphic Rocks Rocks that are formed by heat and pressure
Fossil The remains of once living things found in rocks
Properties of minerals Color, luster, hardness, streak
Luster How a mineral reflects light
Streak A test used to determine true color of some minerals
Hardness Description of how or if a mineral can scratch another substance; Mohs Hardness Scale is used
Created by: scomisky
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