| A | B |
|---|
| atom | smallest particle that has the properties of an element |
| boiling point | temperature wich a liquid becomes a gas below the surface |
| buoyancy | force that pushes a less dense fluid upward |
| chemical property | way a substance reacts with others to form new substances |
| chemical change | a change when a substance changes composition to become a new substance |
| chemical formula | chemical symbols and numbers indication the atoms contained in the basic unit of a substance |
| chemistry | study of matter and how it changes |
| density | mass per unit volume |
| energy | ability to move or change matter |
| evaporation | change of a liquid to a gas at surface |
| element | substance that can not be broken down into simpler substances |
| condensation | change of a gas to a liquid |
| matter | anything that has mass and occupies space |
| melting point | temperature when a solid becomes a liquid |
| mixture | combination of more than one pure substance |
| immiscible | liquids that will not disolve into each other |
| miscible | two or more liquids that will disolve into each other |
| molecule | smallest unit of a substance that exhibits all the properties of that substance |
| physical change | change in form of a substance without change in composition |
| physical property | charaacteristic of a substance that can be observed without changing the coposition |
| pressure | force exerted perunit area of a surface |
| sublimation | change of a solid to a gas |
| viscosity | resistance to of a fluid flow |
