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quarter 3
| Question | Answer |
|---|---|
| circuit | A roughly circular line, route, or movement that starts and finishes at the same place |
| conductor | A person who directs the performance of an orchestra or choir. A person in charge of a train, streetcar, or other public conveyance, who collects fares and sells tickets |
| electric current | current: a flow of electricity through a conductor; "the current was measured in amperes". |
| Insulator | A thing or substance used for insulation, in particular. A substance that does not readily allow the passage of heat or sound. Synonyms |
| parallel crircuit | a closed circuit in which the current divides into two or more paths before recombining to complete the circuit. |
| series circuit | a circuit having its parts connected serially |
| alternating current | An electric current that reverses its direction many times a second at regular intervals, typically used in power supplies. |
| direct current | An electric current flowing in one direction only |
| chemical change | chemical process: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved. |
| chemical properies | (chemical property) a property used to characterize materials in reactions that change their identity. |
| compound | A thing that is composed of two or more separate elements; a mixture. An area enclosed by a fence, in particular. |
| element | A part or aspect of something, esp. one that is essential or characteristic. A small but significant presence of a feeling or abstract quality: "it was the element of danger he loved in flying". |
| physical change | phase change: a change from one state (solid or liquid or gas) to another without a change in chemical composition. |
| physical properties | physical property) any property used to characterize matter and energy and their interactions. |
| boyle's law | A law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature. |
| Charles's law | Gay-Lussac's law: (physics) the density of an ideal gas at constant pressure varies inversely with the temperature. |
| pascal principle | The principle that external static pressure exerted on a fluid is distributed evenly throughout the fluid. Differences in static pressure within a fluid thus arise only from sources within the fluid. |
| archimedses principle | Web definitions In physics, buoyancy is an upward acting force, caused by fluid pressure, that opposes an object's weight. If the object is either. |
| kinetic theory | The body of theory that explains the physical properties of matter in terms of the motions of its constituent particles. |
| Bernoulli's principle | The principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure |
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crazy girl
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