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Water Vocab
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Term | Definition |
---|---|
polar molecule | a molecule that has electrically charged areas |
surface tension | the tightness across the surface of water caused by the polar water molecules pulling on each other. |
capillary action | the combined force of attraction among water molecules and with the molecules of surrounding materials. |
solution | a mixture in which one substance is dissolved in another |
solvent | the part of a solution that is present in the largest amount and dissolves a solute; it DOES the dissolving |
evaporation | the process by which molecules at the surface of a liquid, such as water absorb enough energy to change to a gaseous state, such as water vapor. |
condensation | the process by which a gas, such as water vapor, changes to a liquid, such as water |
specific heat | the amount of heat energy required to increase the temperature of one kilogram of a substance by 1 C |
suspension | a mixture in which particles can be seen and easily separated by settling or filtration |
solute | the part of a solution present in a lesser amount and dissolved by the solvent; it GETS DISSOLVED by another substance |
transpiration | the process by which plants release water vapor through their leaves |
freezing point | the temperature at which a substance changes from a liquid to a solid |
boiling point | the temperature at which a substance changes from a liquid to a gas |
cohesion | when water molecules attract to each other because of unlike charges (negative to positive) |
adhesion | the process of water molecules sticking to other substances |
density | the amount of mass in a given space |
pores | tiny openings in and between particles of rocks and soil that may contain air or water |