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Worksheets20.1 Understanding Magnetism
Total questions: 20
Worksheet time: 56mins
The area of magnetic force around a magnet is known as its _____________.
magnetic field
magnetic declination
magnetic fan lines
magnetic tan lines
A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.
calculator
ruler
compass
map
A clumsy student drops a bar magnet and it breaks into this configuration. Afterwards, what is the result for the left and right magnets respectively?
N-N on the left and S-S on the right
N-S on the left and N-S on the right
S-N on the left and S-N on the right
S-S on the left and N-N on the right
What is the direction of movement in a magnetic field?
North Pole to South Pole
South Pole to North Pole
East Pole to West Pole
_________________force is the attractive and repulsive force between two poles.
Electric
Magnetic
Sound
Based on the magnetic field lines in the picture, what will happen next to both sets of magnets?
The magnets in set 1 will repel and the magnets in set 2 will attract
The magnets in set 1 will attract and the magnets in set 2 will repel
The magnets in set 1 will not move, and the magnets in set 2 will attract
The magnets in both sets will attract
When all of the magnetic fields of magnetic domains align in the ______ direction, a material becomes magnetic.
opposite
same
Which metal is NOT magnetic?
copper
iron
cobalt
nickel
We know the substance in the image is magnetized because ___.
All the domains are at right angles to each other.
All the domains are aligned.
All the arrows are drawn in red.
All the domains are not aligned.
Which type of magnet is used to find geographic direction?
Bar Magnet
Horse Shoe Magnet
Electromagnet
Magnetic Compass
In nonmagnetized objects, the magnetic domains
Are in random directions
In one straight direction
Two different directions
None of the above
TRUE OR FALSE: In an object, each group of aligned atoms is called magnetic domain
TRUE
FALSE
