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ELECTRICITY JEOPARDY
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This sub-atomic particle is transferred allowing an object to become negatively or positively charged.
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Electrons
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How does an object become positively charged?
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Loses Electrons
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What 3 factors effect the amount of electrical resistance an object will have?
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Temperature Diameter (width) Length
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This type of material allows the flow of electrons or transfer of heat.
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A conductor.
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How did the metal in the 3rd picture change its charge?
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The electrons moved from the rag to the metal leaving more positive protons behind and transferring electrons to the metal.
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Pulling off a wool hat or shuffling across the carpet creates _________ electricity.
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Static
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These 2 factors effect the amount of electrical force between objects.
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Magnitude (force) & distance
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A resister transforms electrical energy into what 2 types of energy?
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Heat (thermal) and Light (radiant)
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This part of a light bulb acts as a resistor.
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The filament.
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This item would provide a voltage difference in a circuit.
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A battery An outlet
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Excess electrons cause _________ electricity.
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Static
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Name 3 other household appliances that act as a resistor.
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Toaster Vacuum Cleaner Television (TV) Radio/iPod
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Electric current flows in this direction.
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Negative to positive. - to +
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Wire acts as a _________ in an electric circuit.
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Conductor
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Ohm’s Laws says that if resistance is decreased then will .
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Voltage will increase
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How is the balloon sticking to the paper?
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The electrons have moved from the paper surface to the balloon surface causing a positive and negative electrical attractions.
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According to Ohm’s Law, when you increase a voltage difference or decrease the resistance, this action would occur.
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An increase in electric current.
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YOU’RE READY!!!!
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QUIZ is Tomorrow!! Test is NOT open note!
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