Physical Science-Matter

23 terms by martiturner 

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states of matter

solid, liquid, gas

solid

has mass, takes up space, has definite shape

liquid

has mass, takes up space, takes shape of container

gas

has mass, takes up space, no definite shape

property of matter

volume, mass, density, boiling point....

volume

how much space matter takes up-in ml and l-liquids

mass

how much matter is in a definite space

weight

measure of gravity pulling on an object's mass-in g and kg

density

how much mass in a definite space-more gravity pulling so will be on bottom

boiling point

the temperature when of water evaporation-liquid to gas-add heat-100 degrees Celsius

freezing point

the temperature when water changes from liquid to solid-take away heat-water expands-0 degrees Celsius

melting point

the temperature when a substance changes from a solid to liquid-add heat

conduct

the ability of substances to allow heat and electricity to pass through-metals-must be connecting or touching

insulate

the ability of substances to block heat and electricity from passing through

magnetic

attracted to magnets-metals-iron and steel (iron is in steel)-poles are N and S-N to S-attracts (pulls) S to S and N to N -repels (pushes)

buoyancy

the ability to float in water

mixture

two or more solids put together-can be separated

dissolve (solubility)

a solid breaks apart in a liquid, cannot see the solid-salt or sugar in water-can be separated by evaporating the water

solution

dissolving a solid into a liquid (water)-combining two liquids

evaporate

liquid to gas-add heat

condense

gas to liquid-take away heat

freeze

liquid to solid-take away heat

melt

solid to liquid-add heat

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