Magnetism Cloze Fill in the blanks with words from the box.
attract
force
morth
aurora borealis
iron
poles
compass
lines
repel
field
nickel
stronger
NW
ON
Magnetism is a
that has the
ability to push or pull some objects such as metals like
or
Magnets have two ends called
When you bring two magnets together, like poles
each other and opposite
attract.
35
1 compass uses the Earth's
magnetic field to point to north.
If you sprinkle iron filings around a magnet, they will form
showing the direction of the magnetic force. These lines of magnetic force are called a
magnetic
The closer the lines are together the
the force.
The Earth generates a magnetic field as well. For
centuries, sailors have used this magnetic field to
help them find
on cloudy
days and nights using a tool called a
The Earth's magnetic field
also causes one of the wonders of nature, the
which is produced when
charged particles in space are pulled into the Earth's
atmosphere by the Earth's magnetic field.
The Earth's magnetic field causes the
aurora borealis.
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