Share ROCKS & MINERALS-Multiple Choice
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a solid piece of matter with particles arranged in a repeating pattern called a crystal
mineral
electron
magnet
Color, luster, streak, hardness, cleavage, and fracture are __ __ that help scientists identify rocks and minerals
physical properties
chemical properties
human properties
the way a mineral's surface reflects light
luster
streak
hardness
The chalky line left behind when you rub or scrape a mineral against a tile.
luster
compression
streak
the name of the scale used to determine a mineral's hardness
Spring Scale
Bathroom Scale
Mohs Scale of Hardness
Which mineral is the hardest of all?
talc
copper
diamond
The tendency of a mineral to break into jagged, rough, smaller pieces.
luster
fracture
hardness
Location of the first gold rush in America
South Carolina
North Carolina
California
The tendency of a mineral to break into flat sheets.
streak
cleavage
hardness
The ability to resist scratching
streak
fracture
hardness
Rocks formed when sand, dead plants, shells or other organic matter stick together to like glue.
magnesium
sedimentary rock
Igneous rock
Not man-made; occurs in nature, and our supply is limited (we can run out of it)
cleavage/fracture
volcanic glass
natural resource
Rocks formed from hot lava that cools and hardens
Igneous rocks
diamonds
iron
Rocks buried deep with the earth that change because of heat and pressure
erosion
metamorphic
gold
Stress that squeezes rocks together and causes them to fold or fracture.
erosion
compression
melting
A nonliving solid substance that can be described by a chemical formula
cleavage
fracture
inorganic
