| A | B |
|---|
| Equation | A mathematical statement that two expressions are equal |
| mass | a measure of the amount of matter in an object |
| weight | A measure of the gravitational force exerted on an object |
| volume | The amount of space an object takes up. L x W x H |
| density | The amount per unit size |
| thermal | Energy of heat or temperature |
| matter | anything that has mass and takes up space |
| molecule | A group of two or more atoms linked together by sharing electrons in a chemical bond. |
| Solute | A substance that is dissolved in another substance (a solvent), forming a solution. |
| solvent | A substance that can dissolve another substance (solute), forming a solution. |
| physical change | Change results in a change of shape, size, or structure but not chemically |
| chemical change | a change that occurs when one or more substances change into entirely new substances with different properties |
| Boiling Point | The temperature at which a liquid boils at sea level |
| Melting Point | the change of state in which a solid becomes a liquid by adding heat |
| Evaporation | The process of becoming a vapor |
| Condensation | The process of changing from a gaseous to a liquid or solid state |
| Surface Tension | The force that acts on the surface of a liquid and that tends to minimize the area of the surface |
| Physical Property | density, color, hardness, shape and size characteristics of a substance |
| State | What physical form an object is in |
