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Published bySybil Osborne Modified over 9 years ago
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Making Electricity How do we make electricity?
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What is electricity? What do you see happening? What does the battery do? If we are going to make electricity, what has to happen inside the wire?
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What do we remember about magnets? Where is magnetic field strong? Weak?
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#1 RULE These magnets are STRONG. You should have a paper plate taped to the desk. #1 YOU MAY ONLY MOVE THE MAGNET AROUND OVER THE PLATE Paper Plate Magnet
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Try it - Record in Notebook [1] Get the biggest number you can. Each person in your group has to be able to get (close) to this number. [2] Get a small number (you still have to move). [3] List at least three things that help make it bigger or smaller. We’ll list these on the board (biggest numbers; smallest numbers and things that matter) - What is happening in the wire? What is moving the magnet doing? We may look at using more wire. Look at flashlight.
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NameDatePartner My biggest number: Three things that made it bigger: [1] [2] [3] My smallest number: (still moving) Three things that made it smaller: [1] [2] [3] If you finish this, we’ll give you another wire to see if you can make even bigger numbers. My number: ___________ What made it even bigger: Drawing
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On this picture draw a line connecting the words to the part of the flashlight. Draw a double-arrow showing what piece moves and in what directions. How is what we did like what the flashlight does. How does the flashlight work? Magnet Loops of wire Light-emitting diode
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In notebook: What is happening inside the wire? What makes the electricity? What changes?
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Electricity and Magnetism Are Closely Related Moving magnets creates electricity Moving electricity creates magnets And yes, you can do both
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Resources http://phet.colorado.edu/new/simulation s/sims.php?sim=Faradays_Electromagn etic_Lab http://www.walter- fendt.de/ph14e/generator_e.htm
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