| A | B |
|---|
| Voltage Source | A device, such as a battery or generator, that creates a potential difference in an electric circuit,  |
| Angle of Reflection | The angle between a reflected ray and a line perpendicular to the surface at the point of incidence,  |
| Catalyst | A substance that causes or accelerates a chemical reaction without itself being affected.,  |
| Concave Mirror | A mirror with a surface that curves in ward.,  |
| Double Displacement | Is a reaction in which two reactants trade fragments: AB + CD = AC + BD Most commonly, the fragments are ions, e. g. AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq),  |
| Endothermic Reaction | A chemical reaction accompanied by the absorption of heat,  |
| Gamma Rays | Electromagnetic waves with the shortest wavelengths and the highest frequencies.,  |
| Inclined Plane | A simple machine consisting of a flat surface with one end higher than the other.,  |
| Law of Conservation of Energy | States that energy may neither be created nor destroyed.,  |
| Medium | Material through which a wave travels.,  |
| Nuclear Fission | The splitting of an unstable atomic nucleus into two or more nuclei,  |
| Plastic | A synthetic polymer that can be molded or shaped,  |
| Reflection | The return of light or sound waves from a surface,  |
| Specific Heat | The amount of thermal energy required to raise the temperature of one kilogram of a substance one Kelvin,  |
| Timbre | The term used to denote the tone color of a specified instrument or piece of music,  |
| Volume | The amount of space an object occupies.,  |
