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Materials that does not allow electrons to move through it freely. |
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A positive charge and a ____charge will pull on eachother. |
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The ___wire of an appliance connects its metal base to the ground through the household wiring. |
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When a balloon charged approaches a wall, the electrons pull on the _________charges of the wall that makes it stick. |
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In static electricity, electrons _________ or jump. |
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Another name for a battery. |
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Charged particles in a pathway. |
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Opposite poles of a magnet... |
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LIke charges of a magnet.. |
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Magnets always tend to point to the |
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If you hang a magnet freely the north pole of the magnet will point |
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What are magnets made of? |
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Do magnets always have poles? |
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Flow of energy. Electrons flows out of the ..... |
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negative end and goes back into the positive side with a wire |
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Metals can become temporary _________when you rub electrons onto them in one direction. |
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This circuit does not have a gap and electricity is running through it. |
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Devices on a circuit taking energy. |
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Light bulbs would be an example of a |
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_____________oppose the flow of electrons in a circuit. Loads would somewhat be these. |
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Copper wire would have ______resistance. |
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Plastic covering on a wire would have ________resistance. |
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The push of force through a battery. |
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Harry the chick helped us create a _______circuit. |
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What device helps us to open and close a circuit? |
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Fossil Fuels are _____________resources |
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Simple circuit has only ______load on its single pathway. |
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____________is one pathway of electricity and has two or more loads. |
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__________circuit is two or more pathways and has two or more loads. |
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Lights get dimmer when added on a ______circuit. |
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Do lights get dimmer on a parallel? |
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Buildings are wired with _____ |
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Moving electrical current through a wire can turn a nail into an |
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Devices made magnetic through electric current are called |
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The greater the energy OUTPUT of the electromagnet the |
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Uses electrolytes to create electricity.....lemons, potatoes... |
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Resources that will eventually run out, won't last forever |
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What would a core of an electromagnet be? |
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Nail (the example we used in class) |
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Changing battery power or size of cores of an electromagnet would be the _________variables of an experiment. |
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Resources that supplies electricity that doesn't run out. |
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Door bells, phone receivers, and motors are examples of |
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In a magnetized metal, the electrons are |
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3 main nonrenewable resources |
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Windpower and solar power are examples of ______resources. |
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