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