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Grade 9 science review

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show total charge of an object depends on the difference in protons and electrons  
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show All charged objects give off one.  
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What is conduction?   show
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show it gains electrons and becomes negative  
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If an object is higher on the electrostatic scale that means what?   show
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a neutral object is charged how?   show
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A conductor is?   show
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An insulator is?   show
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Electrical current is?   show
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electrical resistance is?   show
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show Less resistance  
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Longer means?   show
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show More resistance  
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show electrical fields push or pull electrons  
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show charging without contact  
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show 1. # of electrons 2. Space between the electrons  
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AC/ Alternating current is?   show
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show current flowing in 1 direction  
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show P=Watts V=Volts I=Amps  
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EPT?   show
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show The amount of energy needed to move a charged particle  
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show Watts divided by 1000 x Hours used  
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show Usage x Cost of electricity  
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Efficiency of electricity=   show
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A circuit is?   show
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Parallel circuit?   show
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Series circuit?   show
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Parallel A= V=   show
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show A=Stays the same V=# divided by how many power sources  
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show Not re-chargeable  
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show Re-Chargeable  
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Created by: pinkcheer
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