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Motion and Forces
Unit 3 Vocabulary
Term | Definition |
---|---|
electric charge | a property that leads to electromagnetic interactions between the particles that make up matter |
static electricity | the build up electric charge on an object |
electrical conductor | a material through which charges can move freely |
electric insulator | a material through which charges can not move easily |
semiconductor | a special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors |
electric current | the rate of flow of electric charges |
voltage | the amount of work that is required to move each unit of charge between two points |
resistance | the opposition to the flow of electric charges |
electric circuit | a complete closed path through which electric charges can flow |
series circuit | all parts are connected in a row that form one path for the electric charges to flow |
parallel circuit | electric charges have more than one path that they can flow |
magnet | to describe any material that attracts iron or objects made of iron |
magnetic force | the push or pull that two magnets exert on each other |
magnetic pole | the ends or a magnet |
magnetic field | the area surrounding a magnet where magnetic forces can be detected |
electromagnetism | results when electric currents and magnetic fields interact with each other |
electormagnet | wrapping a solenoid around an iron core |