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Biology 2

Water Properties Vocab

TermDefinition
Boiling Point The temperature at which water begins to boil. (212°F)
Melting Point The temperature at which a given solid will melt. (water is 32°F)
Freezing Point The temperature in which water freezes 32 degrees
Specific Heat The amount of heat required to raise the temperature of 1g of a substance1 degree celcius.
Intermolecular Force Forces that act between stable molecules or between funtional groups of macromolecules
Molecule A group of atoms bonded together,representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
Evaporation The process by which a liquid changes into a gas
Cohesion The molecular force between particles within a body or substance that acts to unite them together.
Adhesion the molecular force of attration in the area of contact between unlike bodies that acts to hold them together
Density a property of matter representing the mass per unit of volume
Freshwater Water that is not salty and has little or no taste, color, or smell. most lakes and rivers are made up of this.
Condensation Water vapor becoming a liquid.
Precipitation Any type of liquid or solid water that falls onto earths surface, such as rain,snow, or hail.
Water Vapor Water in the form of a gas
Electrolyte A chemical compound that breaks into separate ions when it is dissolved or molten to produce an electrically conductive product.
Conductivity
Polarity
Control Variable
Dependent
Independant
Surface Tension The tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.
Universal Solvent Water due to it polarity and ability to dissolve many different solutes.
Solute
Atom Basic unit of a chemical
Fahrenheit
Refraction The bending or turning of light waves when it passes through water
Reflection Projecting back an image through light without absorbing it
Ion An ion or group of atoms that has aquired an electric charge by gaining or loosing one or more electrons.
Cation An ion or group of ions that that have a positive charge.
Anion An ion or group of ions that have a negetive charge.
Created by: kw916207
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