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Quarter 3 review tc
| Term | Definition |
|---|---|
| circuit | closed conducting loop through which an electric current can flow |
| conductor | material, such as copper wire, in which electrons can move easily |
| electric current | the net movement of electric charges in a single direction, measured in amperes |
| insulator | material in which heat flows slowly |
| parallel circuit | circuit in which electric current has more than one path to follow |
| series circuit | circuit in which electric current has only one path to follow |
| alternating current | electric current that reverses its direction of flow in a regular pattern |
| direct current | electric current that flows in only one direction |
| chemical change | change of one substance into a new substance |
| chemical properties | any characteristic of a substance such as flammability, that indicates whether it can undergo a certain chemical change |
| compound | substance formed from two or more elements in which the exact combination and proportion of elements is always the same |
| element | substance with atoms that are all alike |
| physical change | any change in size, shape, or state of matter in which the identity of the substance remains the same |
| physical properties | 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 |
| boyle's law | |
| Charles law | |
| pascal principle | |
| bernoullis principle | |
| archimedes principle | |
| kinetic theory | energy a moving object has because of its motion; depends on the mass and speed of the object |