Science Ch. 2 Guide
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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| occurs only in the presence of a magnetic field | Induced Magnetism
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| groups of atoms in which the polarity is alligned in the same direction | Domains
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| an alloy made of three different metals, makes a strong magnet | ALNICO
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| makes up ALNICO | aluminum, nickel and cobalt
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| changes vabriations in electrical currents to sound waves | loudspeaker
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| a coil of wire that can become a electro magnet | armature
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| constantly switch the magnetic poles of a armature | commaultors
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| the region around a magnet where the magnet force acts | magnetic field
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| the two ends of a magnet that either point N or S | magnetic poles
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| the reigons around earth's atmosphere that shield us from harmful particals from the sun | van allen belts
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| northern lights | auora borealis
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| southern lights | auora australis
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| a magnetic that needs to be hooked up to a power source at all times, a temporary magnet | electromagnet
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| the current made by using a magnet and wire | induced current
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| changes kinetic energy of rotation into electrical energy | electric generator
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| changes electricity into kinetic energy of rotation | electric motor
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
marleene 8
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