General Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a mineral? | naturally occuring, inorganic (not living) solids that have a definite chemical composition and crystal structure
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| naturally occuring | can't be man-made; made by nature
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| inorganic | not living - not formed from living things or their remains
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| solid | has definite shape and volume
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| definite chemical composition | either a single substance or combination of elements
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| crystal structure | atoms arranged in a definite pattern - repeated over and over (like patches on a soccer ball
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| 8 ways to identify minerals | color; luster; hardness; streak; density; crystal shape; cleavage; fracture
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| hardness | ability of mineral to resist being scratched
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| streak | color of a mineral in powder form (more reliable than color)
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| density | the amount of matter in a given amount of space
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| cleavage | tendancy to split along flat surfaces
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| fracture | tendancy of a mineral to break with rough or jagged surfaces (like a fractured bone)
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| luster | way a mineral reflects light (metallic or nonmetallic)
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| special mineral properties | taste; smell; reaction to hydrochloric acid; reaction to UV light;
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| Moh's Hardness Scale | characterizes the scratch resistance1=anything harder can scratch it; 10=nothing can scratch it
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| 1 | talc
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| 2 | gypsum
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| 3 | calcite
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| 4 | fluorite
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| 5 | apatite
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| 6 | feldspar
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| 7 | quartz
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| 8 | topaz
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| 9 | corundum
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| 10 | diamond
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| 1. How minerals form | 1. cooling magma (lava)
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| fast cooling magma | small crystals
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| slow cooling magma | very large crystals
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| 2. How minerals form | 2 elements dissolved in a liquid-liquid evaporates, elements stay behind and may form minerals
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| rock | one or more mineral
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| igneous rock (ignite) | when molten lava cools and hardens
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| sedimentary (sediments) | formed from particles that have been carried along and deposited (dropped) by rivers/streams/wind
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| metamorphic (mighty morphin power rangers) | formed when chemical reactions change existing rock into new knds of rocks; pressure, heat and water can all melt and change rock
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| The Rock Cycle | continuous chaning of rocks from one kind to another over long periods of time
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| Uplift | all things are pushed up to the surface of the earth by natural earth processes (earthquakes, volcanoes,...)
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
weavergina
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