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Worksheets(Savvas 21.1) Ch. 21.1 Magnets and Magnetic Fields
Total questions: 17
Worksheet time: 9mins
Which of the following items would a magnet ATTRACT? (Mark all that apply.)
A copper penny
An iron nail
A piece of glass
A wood block
Magnetic force is strongest at
the north pole.
the south pole.
both poles.
the middle of the magnet.
In order to create these magnetic fields, what would the pole order have to be on the covered magnet?
North-South Order
It could be either order.
It is not a magnet - it has no poles.
South-North Order
This picture shows a piece of iron before it has become magnetized. What will the domains look like after it is magnetized?
The domains will be randomized.
The domains will all line up in the same direction.
Half of the domains will line up in one direction and the other half will line up in the other direction.
Magnets are made of tiny sections of magnetic fields that are aligned to produce a larger magnetic field. These are called _____.
magnetic domains
magnetic fields
magnetic sections
electromagnets
The Earth's magnetic field is most useful for _____.
deflecting harmful radiation
keeping track of time
creating sunny weather
making it look cool in front of the other planets
Earth's geographic north pole (axis of rotation) is closest to which part of a magnetic field?
north magnetic pole
south magnetic pole
core of the magnetic field
Why does a compass needle point north?
Because the north end of the compass is attracted to Earth's magnetic north pole
Because it's magic
Because the north end of the compass is attracted to Earth's magnetic south pole
Earth's magnetosphere is responsible for creating...
northern and southern lights.
night and day.
seasons.
high and low tides.
What is the primary cause of Earth's magnetic field?
the rotation of the Earth on its axis
the flow of molten iron near the Earth's core
the alignment of magnetic domains in the Earth's crust
the gravitational pull of the moon
Lodestone is the strongest naturally magnetized rock.
True
False
Which direction do the arrows point when representing the magnetic field around a magnet? (Mark two answers.)
into the north pole
out of the south pole
into the south pole
out of the north pole
Which magnetic poles repel each other? (Mark all that apply.)
A north pole repels a north pole.
A south pole repels a south pole.
Magnetic poles never repel each other.
A north pole repels a south pole.
Which pair of magnets would result from cutting this magnet in half?
a.
b.
c.
d.
What will the magnets in the picture do?
Attract each other
Repel each other
Neither attract nor repel
Both attract and repel
What will the magnets in the picture do?
Attract each other
Repel each other
Both attract and repel
Neither attract nor repel
