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science vocab words
| Term | Definition |
|---|---|
| charging by contact | transfer of eletric charge between objects in contact. |
| charging by induction | rearrangement of electric charge in a n object due to a nearby electric field |
| insulator | material in which eletric charges can not move easily |
| conductors | material in which eletric charges can move easily |
| static charge | imbalance of electric charge of an object |
| electric discharge | movement of static charge from one place to another |
| electric current | flow of electric charge, measured in amperes |
| electric circuit | closed conducting loop in which electric current can flow continually |
| electric resistance | measure of how difficult it is for electrons to flow in a material; unit is the ohm |
| voltage | a measure of the amount of electrical potential energy transferred by an electric charge as it moves from one point to another in a circuit |
| series circuit | current that has only one path for electric current to follow |
| parallel circuit | circuit that has more than one path for electric current to follow |
| magnetic domain | a group of atoms in a magnetic material with the magnetic poles of the atoms pointing in the same direction |
| electromagnet | a current carrying wire wrapped around iron core |
| electromagnetic induction | production of electric current by moving a magnet and a wire coil ralative to each other |