| A | B |
|---|
| Applied Research | Research dedicated to the developement of useful products and processes |
| Basic Research | Research dedicated to the discovery of the fundamental workings of nature |
| Chemical Change | During this kind of change , atoms in a substance are rearranged to give a new substance having a new chemical identity |
| Chemical Equation | A representation of a chemical reaction |
| Chemical Formula | A notation used to indicate the composition of a compound |
| Chemical Properties | A property that relates to how a substance changes its chemical identity |
| Chemical Reaction | Synonymous with chemical change |
| Chemistry | The study of matter and the transformations it can undergo |
| Compound | A material in which atoms of different element are bonded to one another |
| Elemental formula | A notation that uses the atomic symbol and often a subscript to denote the number of atoms |
| Law of mass conservation | Matter is neither created nor destroyed during a chemical reaction |
| Matter | Anything that occupies space and has a mass |
| Molecules | A group of atoms that collectively make the fundamental unit of a material |
| Physical Change | A change in which a substance changes its physical properties without changing it chemical identity |
| Physical Properties | Any physical attribute of a substance, such as color, density, or hardness |
| Products | A new material formed in a chemical reaction. |
| Reactants | The starting material in a chemcial reaction. |
| Submicroscopic | Realm of atoms and molecules, where objects are smaller than can be seen with an optical microscope |
| Crystalline solids | Solids made up of repeated pattern |
| Amorphous Solids | Solids that lose their shape under certain conditions |
| Solids | Matter with a definite shape and definite volume |
| Liquid | Type of matter with a definite volume but no definite shape |
| Viscosity | Resistance of a liquid to flow |
| Gas | Type of matter with no definite shpae and no definite volume |
| Boyle's Law | Volume of a fixed gas varies inversely with the pressure of the gas |
| Charles' Law | The volume of a fixed amount of gas varies directly with the temperature of the gas |
| Plasma | The 4th phase of matter - high energy and not found on earth |
| Melting | The change of a solid to a liquid |
| Freezing | When a liquid changes to a solid |
| Vaporization | The change of a substance from a liquid to a gas |
| Evaporization | Vaporization at the surface of a liquid |
| Boiling | Vaporization that occurs throughout a liquid |
| Condensation | When a gas changes to a liquid |
| Sublimation | When a substance goes from a solid directly to a gas |
| Flammability | The ability to burn |
| Heat energy | Energy required fro a change of phase |
| Physical Property | Color - physical or chemical |
| Physical Property | odor - physical or chemical |
| Atom | Building block of matter |
| Particle arrangement of a solid | Particles are closely packed and move very little |
| Particle arrangement of a gas | Particles are very far apart and have a great deal of energy |
| Particle arrangement of a liquid | Particles are close enough to slide past one another |
| Chemical Change | Lighting a match - physical or chemical change |
| Physical Change | Ice Melting |
| Gas | Type of matter with no definite shape and no definite volume |
| Gas | Type of matter found on earth with the greatest amount of energy due to the speed of the particles |
