Magnets&Electricity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| electric current | flow of electricity
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| circuit | path made for an electric current
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| battery | common energy source that converts chemical energy to electrical energy
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| conductor | material that an electric current can pass through easily
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| insulator | material that an electric current cannot pass through easily
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| series circuit | circuit with one path for current to take
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| parallel cicuit | circuit with more than one path for current to take
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| magnetic pole | area on a magnet where its magnetic field is strongest
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| magnetic field | space around a magnet where the force of the magnet acts
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| electromagnet | current-carrying coil of wire wrapped around a core
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| Like poles of a magnet will ________ | repel
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| Wher is a bar magnet's strongest pull? | the poles
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| magnets will attract if the poles are _____ | opposites
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| Electromagnets in motors are used to cause ___ | motion
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| Name three ways to strengthen an electromagnet | 1. add coils 2. turn off or on 3. increase or decrease amount of current
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| How does a compass work? | the magnet in the compass is attracted to Earth's magnetic force
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| magnetism | the force of attraction or repulsion from a magnet
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| To attract means to ___ | pull towards
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| To repel means to ___ | push away
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| generator | converts kinetic energy to electrical energy
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| electric motor | converts electrical energy to kinetic energy
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| turbine | wheel or blades that rotate to turn a generator
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| switch | controls the flow of electricity in a circuit
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| open circuit | electricity cannot flow
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
lewisch
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