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Parker Rocks and Minerals
Terms in this set (46)
natural, solid, inorganic substance, that has a specific chemical make-up.
not made by people
firm and stable in shape, not water or gas
not and never was alive
specific chemical make-up
all particles are the same
basis of minerals
physical characteristics of minerals
color, streak, luster, hardness, and density
all minerals have color
the color of a minerals powder when it is scraped on a hard surface
how well a mineral resists scratching
measurement of how hard a mineral is
a measure of how much matter is present in a certain volume
three basic types of rock
igneous, sedimentary, and metamorphic
rock formed from cooled magma or lava
sediments pressed together
rock changed by heat and pressure
hot, melted rock beneath the earth's surface
composed of small fragments of rock, sand, or organic matter that settle out of water
process that changes rocks from one type into another. All rocks begin as igneous rocks.
a mark or remains of something that lived a long time ago
place where rocks and minerals are taken out of the ground.
rock that contains a useful mineral
the melting down of an ore to separate the metal from the rock
a mixture of two or more metals
recycle, use fewer products, and reusing old building materials
What are some ways we can be good caretakers of rocks and minerals?
inner core, outer core, mantle, and crust
What is Earth's structure made of ?
outermost layer. Made up of large sections called plates. There are 7 large plates and 14 small plates.
What can form in places where the Earth's plates are moving against each other?
between the core and the crust
solid nickel and iron
liquid nickel and iron
a break in the Earth's surface where lava, ashes, rocks, and other materials come out.
shaking of the ground caused by rock movement along the fault
a crack in the earth's crust along which rocks move
instrument used to detect earthquakes
scientists who study earthquakes
measurement of an earthquake's power
breakdown of rocks into smaller pieces.
mechanical and chemical
What are two types of weathering?
weathering that doesn't change the type of material in a rock.
weathering that changes the type of material in a rock.
a mixture of weathered rock, organic living materials, mineral fragments, water and air.
the movement of soil particles from one place to another by wind, ice, or gravity.