Physical Science ch 11
Terms
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- electricity
- flow of electons
- static electricity -
- buildup of electrical charges
- Amepere -
- The unit used to describe how much electric current flows through a wire.
- electric current -
- movement of electrons from one place to another.
- circuit -
- Path for electric current.
- Closed circuit-
- complete, unbroken path for electric current.
- open circuit -
- incomplete or broken path for electric current.
- Schematic diagram-
- A diagram that uses symbols to show the parts of a circuit.
- Conductor-
- Material through which electricity passes easily.
- Insulator -
- Material through which electicity does not pass easily.
- Resistance -
- Measure of how easily electric current will flow through a material.
- Ohm-
- the unit used to measure resistance.
- Battery-
- A source of voltage that changes chemical energy into electrical energy.
- Dry cell battery-
- Electric power source with a dry or pastelike center.
- Electromotive force-
- The push that keeps electrons moving in an electric circuit.
- Volt-
- Metric unit used tok measure electromotive force.
- Voltage -
- The energy that a power source gives to electrons in a circuit.
- Terminal -
- Points where electrons leave or enter a battery,
- Wet cell battery-
- Electric ower source with a liquid center.
- Direct current-
- current that flows in one direction.
- Alternating current-
- Current that changes direction regularly.
- Series circuit
- circuit in which all current flows through a single path.-