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Casey science
| Term | Definition |
|---|---|
| Parts of Electric Circuit | -source of electrical energy ~generator, battery, power plant -conductor of energy ~wire connected to energy source -energy transformation device ~a device that uses and transforms electrical energy |
| Electrical Energy | 1 light 2 sound 3 heat 4 mechanical motion |
| Power Equation | Power = current x voltage |
| Parallel Circuit | In a parallel circuit, if one bulb goes out, others stay on. Parallel circuits are used for houses. |
| Series circuit | In a series circuit, if a bulb goes out all of them do. Series are not used for houses. |
| Ion | + or - charged atom. |
| Conductor | An object that does allow electric current to flow through it. |
| Insulator | An object that doesn't allow an electric current to flow through it. |
| Energy Transformation | Chemical energy >> Electric Energy >> Mechanical Energy |
| Magnetic Field | An invisible area that surrounds a magnet. |
| Electric Current | A flow of electricity through a circuit. |
| Resistance | The measure of how difficult it is for electrons to flow through a material. |
| Transformer | A device that changes the voltage of an alternating current with little loss of energy. |
| Voltage | A measure of how much electrical potential energy each electron can gain. |
| Electric Discharge | Movement of charges form one place to another. |
| Motor | Something that turns electrical energy to kinetic energy. |
| Heat | Chemical Energy (power plant) >> Electric Energy >> Heat |
| Magnets | An object that has two magnetic poles. |
| Magnetism | The force of attraction or repulsion of magnetic materials. |
| Magnetic Poles | Like poles repel, but opposites attract. N<>N or N> |
| What makes a magnetic field? | Spinning electrons in an atom. |
| Electrical Current | Moving a field over an electrical conductor causes electrons to move. |
| Magnetic Domains | Where all magnetic fields in the atom line up. Formed by electrons moving. |
| Sound | Chemical Energy (power plant) >> Electric Energy >> Sound |
| Light | Chemical Energy (battery) >> Electric Energy >> Light and Heat |
| Generators | Chemical Energy >> Heat >> Mechanical Energy -Uses mechanical energy to turn into electrical energy -light |
| Sources of Electrical Energy | 1 battery (chemical) 2 solar cell (light) 3 outlets (chemical) |
Created by:
ststansstudent
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