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matter and materials

TermDefinition
sublimation transition of a substance from solid-gas or gas to solid with out passing through the intermediate liquid phase
deposition -occurs at a specific tempature and pressure for a specific substance -requires extra energy
element made up of only one atom
compound made up of more than one atom
physical change in matter changes physically but does not change what it is
chemical change in matter can change chemically by adding/taking away an atom or molecule -changes what is -happens when things "decompose"
what is matter -everything around us -anything made up of atoms or molecules -has a mass (weight) -so far 5 forms have been found in the universe
what are the 5 states of matter bose-einstein condensate, solid, liquid, gas, plasma
pressure -a type of energy higher pressure=more energy lower pressure=less energy -changing pressure can change phase of matter
solids with higher melting points steel, rock or plastic
if energy increases, matter changes from solid-liquid or liquid-gas
what is 0 degrees Kelvin, Absolute Zero or -273 degrees celcius when all molecular movement stops
dry ice made by compressing carbon dioxide gas until it liquifies (CO2)
temperature -a type of energy higher temperature=more energy lower temperature=less energy -changing temperature can change phase of matter
common elements He, H, O, C
common compounds H2O, CO2, C6H12O6
liquid -take the shape of their container -difficult to compress -molecules stuck together (cohesion) -close together
gas -random groups of atoms and molecules -more spread out -have lots of energy
plasma -a lot like gas -when charged with electricity they glow -not very common
solid -usually hard -hold their shape/don't move around eachother -molecules packed tightly together/not alot of space
bose-eintein condensate -only created in 1995 -very low energy atoms "clump" -exists at -273 degrees celcius or 0 degrees Kelvin or absolute zero
examples of solids marble, chair, book, computer
examples of liquids honey, juice, maple syrup, water, dish soap
examples of gas water vapour, oxygen, steam, helium, air
examples of plasma -lightning, Northern lights, stars(including sun), tail of a comet, fluorscent lights/neon lights
Created by: vahajuddin