Electricity & Magnetism
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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| magnetism | the force of attraction or repulsion of magnetic materials
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| magnetic field | surrounds a magnet and applies a force without actually touching an object
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| electromagnet | formed by an electric current flowing through a wire wrapped around an iron core
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| A coil of wire spinning around a magnet or a magnet spinning around a coil of wire can form an ______ ______. | electric current
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| An electromagnet loses its magnetism if the _____ _______ stops flowing. | electric current
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| generator | produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.
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| Produce electric energy for our homes | generators at power plants
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| turbines | huge wheels that rotate when pushed by water, wind, or steam.
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| Generators change _____ energy into _____ energy. | mechanical, electrical
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| A ____ contains coils of wire that are stationary, and rotating magnets that are rotated by turbines. | generator
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| An electric motor changes ____ energy to ____ energy. | electrical, mechanical
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| An ____ ____ contains an electromagnet that rotates between the poles of a magnet. | electric motor
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| The coil of the electromagnet is connected to a _______ or other source of electric current. | battery
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| Like poles of the magnets ___ and unlike poles of the magnets ____. | repel, attract
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| ___ energy can be transformed to light, sound, heat, and mechanical motion in an electric circuit. | electrical
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| An electric circuit contains a source of ___ energy, a ___ (wire) connected to the energy source, and a ___ that uses and transforms the energy. | electrical, conductor, device
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| The ___ energy in a battery comes from stored ___ energy. | electrical, chemical
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| The ___ energy in a solar cell comes from ___ energy from the sun. | electrical, light
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| The ___ energy in outlets may come from ___ energy (burning fuels) which powers a generator in a power plant. | electrical, chemical
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| Electrical energy can be transformed into ___ energy in an electric circuit if a bell, buzzer, radio, or TV is added to the circuit. | sound
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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:
Ms. Phillips
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