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Chap. 7 8 15 and 16
Review for chapter 7, 8, 15, and 16
| Question | Answer |
|---|---|
| closed conducting loop through which an electric current can flow. | circuit |
| transfer of thermal energy by collisions between particles in matter at a higher temperature and particles in matter at a lower temperature. | conductor |
| the net movement of electric charges in a single direction, measured in amperes. | electric current |
| material in which heat flows slowly. | insulator |
| circuit in which electric current has more than one path to follow. | parallel circuit |
| circuit in which electric current has only one path to follow. | series circuit |
| electric current that reverses its direction of flow in a regular pattern. | alternating current |
| electric current that flows in only on direction. | direct current |
| change of one substance into a new substance. | Chemical change |
| any characteristics of a substance, such as flammability, that indicates whether it can undergo a certain chemical change. | chemical properties |
| substance formed from two or more elements in which that exact combination and proportion of elements in always the same. | compound |
| a substance with atoms that are all alike. | element |
| any change in size, shape, or state of matter in which the identity of the substance remains the same. | Physical change |
| any characteristic of a material, such as size or shape, that you can observe or attempt to observe without changing the identity of the material. | physical properties |
| Boyle's law | |
| Charles's law | |
| pascal's principles | |
| Bernoulli's principle | |
| kinetic theory |