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Water

TermDefinition
polar molecule water has a negative and positive end
cohesion water molecules attracted to other water molecules
Surface Tension water molecules at the top of water have very strong attraction making a "sticky skin" at the surface
adhesion water molecules are attracted to other polar molecules
universal solvent water can dissolve many substances
capillary action water molecules climb or move up substances like paper or the stems of plants
high specific heat it take a lot of heat energy to increase the temperature of water
density ice is LESS dense than water
states of matter water is the ONLY substance on Earth that exists in all three states
solution when one substance dissolves in another substance
solute the substance that gets dissolved
solvent the substance that does the dissolving
mechanical weathering rock breaking into smaller pieces over a long period of time without changing the chemical makeup
chemical weathering rock breaking down through chemical changes or reactions
evaporation liquid water turns to water vapor(gas)
transpiration plants lose water through their leaves
condensation water vapor cools and turns back to liquid water, eventually forming clouds
precipitation rain, sleet, snow, hail
runoff water flows downhill and returns to oceans
groundwater water trapped underground between rock or clay layers
water distribution 97% is salt water; 2% glaciers and ice caps; 1% fresh water
Created by: Susan_Johnson