| A | B |
|---|
| Antinodes | A point of maximum amplitude on a standing wave.,  |
| Cathode Ray Tube (CRT) | A vacuum tube that uses electrons to produce images on a screen.,  |
| Concentrated Solution | A mixture that has a lot of solute dissolved in it.,  |
| Dry Cell | An electrochemical cell in which the electrolyte is a paste.,  |
| Energy | Any source of usable power,  |
| Gas | A substance such as air, which is not solid or liquid, and usually cannot be seen.,  |
| Index of Refraction | The measure of how much a ray of light bends when it enters a new medium.,  |
| Law of Conservation of Mass | States that the mass of a closed system (in the sense of a completely isolated system) will remain constant over time.,  |
| Melting | The change from the solid to the liquid state of matter.,  |
| Nuclear Fusion | The joining together of atomic nuclei, especially hydrogen or other light nuclei, to form a heavier nucleus, especially a helium nucleus.,  |
| Polar Bonds | Bonds that do not cancel out. Have a slightly positive charge or negative charge,  |
| Refraction | The change in direction of a propagating wave (light or sound) when passing from one medium to another.,  |
| Spectroscope | An instrument used to view the different colors of light produced by different sources.,  |
| Total Internal Reflection | The complete reflection of light by the inside surface of a medium.,  |
| Watt | A unit that measures the rate at which electrical energy is used.,  |
