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S8P5.a,b,c
| Term | Definition |
|---|---|
| law of universal gravitation | states that the force of gravity acts between all objects in the universe |
| Mass | a measure of the amount of matter in an object |
| Newton's first law of motion | States that an object at rest will stay at rest and an object in motion will stay in motion unless an unbalanced force acts on the object |
| Electric Current | rate in which charges pass through a given point |
| Potential Difference | difference in potential energy between two locations |
| Voltage | potential difference between two points measured in volts |
| Insulator | material that does not conduct heat or electricity well |
| Circuit | closed path through which electricity can flow |
| load | device in a circuit that works through electrical energy |
| Conductor | material that allows heat or electrical energy to pass through easily |
| Resistor | object added to a circuit that halts the flow of electricity |
| Switch | device used to control the flow of an electric current |
| Series Circuit | Circuit in which all loads are joined one after another |
| Parallel Circuit | Parts are joined together in multiple ways and difference across each part is he same |
| magnetic force | force of attraction of repulsion generated by moving or spinning electric energy |
| magnetic field | area surrounding a magnet in which the magnetic force exists |
| electromagnetism | interaction between electricity and magnetism |
| electromagnet | coil that has a soft iron core and that acts as a magnet when an electrical current is in the coil |
| electric motor | device that converts electrical energy into mechanical energy |
| generator | device which transforms mechanical into electrical energy |