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Electricity Unit
Term | Definition |
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Current | flow of charges through a wire |
Voltage | force that causes charges to move |
Resistance | tendency of a material to resist flow of charge |
Amperes | (A) Unit of Current |
Volts | (V) Unit of Voltage |
Ohms | (Ω) Unit of Resistance |
Mechanical Energy | energy from the moving parts of machines |
Chemical Energy | energy stored in chemical bonds of molecules |
Thermal Energy | energy in the form of heat |
Electrical Energy | energy from the flow of charges |
Electromagnetic Energy | energy produced from the interaction of electric current and magnets |
Nuclear Energy | energy from the nuclei of atoms |
Magnetism | properties and interactions of magnets |
Electromagnet | magnet created when a current is in a wire coil |
Motor | device that changes electrical energy into mechanical energy |
Magnetic Force | force between electric charges and magnets |
Conductor | material which allows electrons to move through easily |
Insulator | material in which electrons are not able to move easily |
Parallel Circuit | circuit with multiple branches |
Series Circuit | circuit with only one branch |
Electrical Power | Rate at which electrical energy is converted to other types of energy |
Static Electricity | accumulation of excess electric charge on an object |
Generator | device that transforms mechanical energy to electrical energy |
Direct Current (DC) | current that is always going in one direction |
Alternating Current (AC) | current that reverses direction regularly |
Transformer | device that increases or decreases voltage |
Turbine | large wheel that rotates to capture mechanical energy |