science test ch.2 L3
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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| A _____ is an object that attracts iron and other materials that have magnetic qualities similar to iron. | magnet
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| Any material that a magnet attracts is a ____ _____. | magnetic material
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| A _____ ______ is a push or a pull a magnetic field applies to either a magnetic material or an electric current. | magnetic force
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| A magnet field and its force are _____ closer to the magnet and ____ farther away from the magnet. | stronger, and weaker
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| Every magnet has ______ magnetic poles. | two
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| If two magnetic south poles or two magnetic north poles are close each other , the magnets ______. | repel
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| If a magnet's magnetic north pole is near another magnet's magnetic south pole, the magnets ______ each other. | attract
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| Flowing molten iron and nickel in the earth's outer core create a _____ _______ around the earth. | magnetic field
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| the earth's magnetic south pole is near the earth's geographic _____ pole. | north
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| A ______ ______ is a region in a magnetic material in which the magnetic fields of the atoms all point in the same direction. | magnetic domain
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| Non-magnetic materials cannot be made into ______. | magnets
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| A magnetic material becomes a magnet as the magnetic fields of the materials magnetic domain line up to point in the same _____. | direction
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| A magnet that loses its magnetic fields quickly is called a _____ magnet. | temporary
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| A magnet that keeps its magnetic fields for a long time is called a _______ magnet. | permanent
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| A naturally occurring permanent magnet called _____ is found in the earth's crust. | lodestone
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| Permanent magnets can be made with electric devices called ______. | magnetizers
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| In 1820, the Danish scientist ____ ____ _____, noticed that a compass needle moved when a nearby electric current was switched on. | Hans Christian Orsted
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| The relationship between electricity and magnetism is called _______. | electromagnetism
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| A temporary magnet made with a current-carrying wire coil wrapped around a magnetic core is an ______. | electromagnet
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| The strength of an electromagnet can be controlled with the number of ____ in the coil and the amount of electric ___ in the coil. | loops and current
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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:
kkroberts6
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