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Earth Science U3B

Across
able to be recycled or replenished in a short period of time
solid, inorganic substance with a crystalline structure
how a mineral appears to reflect light
mineral from which valuable material is extracted
sinking of one tectonic plate beneath another
physical, chemical, or structural change
chemical sedimentary rock hanging from the ceiling of a cave
weathered rock, bone fragments, soil, and other particles carried by wind, water, and ice
compound of carbon and hydrogen (CH4)
rise of one part of Earth's crust above another
the true color of a mineral in powdered form
Down
molten rock beneath Earth's crust
unable to be recycled or replenished in a short period of time
small pieces of broken down, weathered rock
chemical sedimentary rock growing from the floor of a cave
engine with large blades