Electricity sec.1
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13 terms
Terms | Definitions |
|---|---|
 circuit | any unbroken loop of electrical components that forms a continuous conducting path. |
| electricity | the movement of electrons |
| materials and conditions needed for bulb to light | batteries, wires, battery holder, socket, circuit |
| which way does electricity move? | positive to negative |
| true or false metal substances are usually good conductors? evidence? | true paperclip |
| true or false a compass can be used to determine the exact direction that charge flows in a circuit? evidence? | False we don't know which way it goes. it shows relative direction |
| true or false a battery determines the direction of flow of charge in the circuit. Evidence. | true because it goes positive to negative. |
| true or false Charge moves out of the end of the battery into the loop. evidence | false the battery only pushes the electrons |
| what happens if there is a break in the loop? | the lights don't turn on. |
| why does it appear that the lights go on at the same time? | the electrons move like a conveyer belt. when the loop is connected the lights are on but when the loop is broken then the lights are off. |
| name three conductors | a penny, tin foil, paperclip |
| name three insulators | a plastic cup, wood, a rubber band |
| name the parts of a light bulb | filament, threaded section, tip, black ring, glass, supports |
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