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Rocks and Minerals G

Sixth Grade Science

QuestionAnswer
Moh's Scale the identification chart for a minerals hardness
Luster How the light reflects off an object or how shiny it is
Cleavage how smoothly a mineral breaks when you hit it.
fracture how rough or curved a mineral is when you break
silicate mineral made of silicon and oxygen and makes up 90% of earths crust
crystal mineral put together in a very regular pattern
mineral naturally formed, inorganic solid that has a crystal structure
density amount of matter in a given amount of space
atom smallest part of an element
hardness the ability to be scratched by an object
non-silicate type of mineral that does not contain silicon.
streak color of the powder of a substance
compound made of more than one element chemically bonded
elements pure substance that can not be broken down into smaller parts.
strata layers found in the rocks.
foliated mineral are arranged in stripes or bands
deformation change in the shape of a rock.
clastic sedimentary When the minerals in rocks are cemented together.
chemical sedimentary When minerals crystallize out of water in sedimentary rocks
deposition Process by which a mineral is laid down .
igenous type of rock that forms when hot, liquid magmaa cools and hardens
magma hot, liquid melted rock
erosion Process by which wind, water, rain and gravity move the soil.
metamorphic type of rock that forms from extreme heat and pressure that changes the rocks chemical compostion.
sedimentary type of rock that forms from sediment is deposited in layers
weathering breaking down of rocks into small pieces
intrusive formed below the earth's surface
extrusive formed above the earth's surface
mafic made from dark colored minerals, like iron
felsic made from light colored minerals like sodium & aluminum
Created by: finetuning
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