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Science Ch2 Sec 1

Properties of water

polar molecule a molecule that has electrically charged areas. H20 consists of polar molcules so it is a polar substance.
capillary action (water going up a straw; into bricks) the combined force of attraction among water molecules and with the molecules of surrounding materials (straw, brick) h20 seeps up
surface tension the tightness across the surface of water that is caused by the polar molecules pulling on one another
solution a mixture that forms when one substance dissolves in another
solvent a substance (water) that dissolves another substance (kool aid). h2o is a solvent.
speicific heat The amount of temp needed to increase the temp of another substance by 1degree celsius.
evaporation (liquid to gas) h2o molecules at the surgace of a liquid absorb energy and change from a liquid to a gas
condensation (gas to liquid) The change of state from a gas to a liquid
Created by: CherylMess