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Unit 6

Unit 6 Earth's Structure

TermDefinition
Mineral A natural, usually inorganic solid that has a characteristic chemical composition and an orderly internal structure.
element A substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number
atom The smallest unit of an element that maintains the properties of that element
compound A substance made up of atoms or ions of two or more different elements joined by chemical bonds.
matter anything that has mass and takes up space
crystal Natural solid substance that has a definite geometric shape
streak the color of a mineral in powdered form
Luster The way in which a mineral reflects light
cleavage In geology, the tendency of a mineral to split along specific planes of weakness to form smooth, flat surface
weathering
erosion The process by which wind, water, ice, or gravity transports soil and sediment from one location to another
deposition
igneous rock rock that forms when magma cools and solidifies
sedimentary rock a rock that forms from compressed or cemented layers of sediment
metamorphic rock A rock that forms from other rocks as a result of intense heat, pressure, or chemical processes
rock cycle
uplift The rising of regions of the earth's crust to higher elevations
subsidence
rift zone
crust The thin and solid outer most layer of Earth above the mantle
mantle The layer of rock between the Earth's crust and core.
convection
core
lithosphere
asthenosphere
mesosphere
pangaea
sea-floor spreading
plate tectonics
tectonic plates
convergent boundary
divergent boundary
transform boundary
deformation
folding
fault
shear stress
tension
compression
volcano
magma
lava
vent
hot spot
Created by: Hudson Caputo
Popular Earth Science sets

 

 



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