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Science 8 Minerals
Science 8 Minerals chapter 3 lesson 1-3
Question | Answer |
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mineral | a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition |
silicate | a member of the mineral group that has silicon and oxygen in its crystal structure |
crystalization | the process by which atoms form a solid with an orderly, repeating pattern |
magma | molten rock stored beneath Earth's surface |
lava | magma that erupts onto Earth's surface |
crystal | a solid of a chemical substance with a regular, repeating arrangement of its atoms |
ion | an atom or group of atoms with an electric charge |
dissolve | to disperse or disappear in a solution |
mineralogist | scientists who studies the distribution of minerals, mineral properties, and their uses |
luster | the way a mineral reflects or absorbs light at its surface |
streak | the color of a mineral's powder |
hardness | the resistance of a mineral to being scratched |
cleavage | the breaking of a mineral along a smooth, flat surface |
fracture | the breaking of a mineral along a rough or irregular surface |
density | the mass per unit volume of a substance |
ore | a deposit of mineral that is large enough to be mined for a profit |
gemstone | a rare and attractive mineral that can be worn as jewelry |