| A | B |
|---|
| Density | Mass per unit volume of an object D=m/v |
| Volume | Amount of space an object takes up |
| Mass | The amount of matter in an object |
| Solid | Form of matter |
| Liquid | Form of matter |
| Gas | Form of matter |
| Hydrometer | Instrument uesd to measure density |
| Solute | Material that goes into the solvent |
| Solubility | The maximun amount of a solid that will dissolve into a given amount of liuid |
| Characteristic Property | Melting point, Boiling point, Freezing point, and Density |
| Poise | Weights on a balance scale |
| Concentration | Amount of solute in a slovent |
| Solvent | The substance that does the dissolving |
| Distillation | The process of heating a liquid into a gas and recooling it |
| mixture | two or more substanced that are mixed together but not chemically combined |
| pure substance | made up of only one kind of matter |
| elements | can not be broken down into other substances |
| compound | made up of two or more elements chemically combined |
| boiling point | the tempurature at which a substance changes from a liquid to a gas |
| melting point | the tempurature at which a substance turns from a solid to a liquid |
| physical change | does not change the identity- change of state |
| chemical change | one or more substances combine or break apart to form a new substance |
| chemical activity | ailtity to undergo a specific chemical change |
| mass | how much matter an object contains |
| weight | is a measure of the force of gravity |
| Characteristic Property | a property that helps identify a substance |
| solution | the best mixed of all possible mixture |
| element | a pure substance that cannot be broken down into othr substances |
| Compound | a stubstance made of two or more elements that are chemically combined |
| volume | the amount of space matter takes up |
| atom | the smallest particle of an element |
| density | the mass in a given volume D=M/V |
| Chemical bond | force that holds two or more atoms together |
| Ore | rock that contains a metal or other economically useful material |
| Electrolysis | a process by which an electric current breaks chemical bonds |
| solid | has a definite shape and volume |
| liquid | has no definite shape but has a definite voulume |
| gas | no definite shape or volume |
| Temperature | a measure of the average energy of motion of the particles of a substance |
| Viscosity | the resistance of a liquid to flowing |
| Freezing | change from a liquid to a solid |
| melting | change from a solid to a liquid |
| Vaporization | change from liquid water to water vapor |
| water vapor | the gaseous state of water--not visible |
| Condensation | change from a gas to a liquid |
| Sublimation | change from a solid directly to a gas without passing through a liquid state |
| matter | Anthing that has mass "stuff" |
| atom | smallest unit of matter |
| Valence electrons | the outter most electron |
| elements | mater made of of 1 kind of atom |
| Evaporation | process by which water molecules in liquid water escape into the air as water vapor |
| Psychrometer | Measures relative humidity |
| Condensation | Process by which molecules of water vapor in the air become liquid water |
| chloroplast | a stucture where plants make food |
| Solid | definante volume and definante shape |
| Fluid | liquid that flows |
| Crystalline solid | solids made of crystals |
| viscosity | th resistance of liquid flowing |
| amorphous solid | not aranged in a regular partern |
| gas | changes volume very easily |
| liquid | no shape of its own |
| temperature | measure of average energy of motion of the particles of a substance |
| Boyles Law | When the pressure of a gas increases the volume decreases |
| pressure | the force acting on an area |
| Charle's Law | when temperature increases in a gas---volume increases |
| Cofficient | number that tells how many of a particular Atom are present |
| Mendeleev | scientist responsible for the organization of the Periodic Table |
| malleable | able to be pounded into shape-characteristic property |
