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WorksheetsMagnetism
Total questions: 28
Worksheet time: 1hrs 24mins
Magnetism is a force of ____________________________ that occurs between two _____________ objects.
attraction or repulsion, magnetic
external or internal, magnetic
external or repulsion, electronic
attraction or internal, electronic
A magnetic field is a field of force that is produced by moving ________ charges.
northern
positive
gravitational
electric
Certain materials respond to magnetic fields by becoming ______________ themselves. ____________ is one of these materials.
magnetic, Plastic
electronic, Iron
magnetic, Iron
electronic, Plastic
The closer two magnets are, the ________ the magnetic force will be.
negative
weak
strong
positive
A current in a circuit can be created by a...
changing magnetic force.
an unchanging magnetic field.
a extremely long solenoid.
current can not be created using a magnet.
A changing current creates a...
changing voltage.
a spark.
a magnetic force.
higher resistance.
Magnetism in an object can be explain by the poles of its atoms being...
equally north and south.
pointed in random direction.
more powerful than most materials.
aligned, aiming in the same direction.
Magnetism is not present in an object when the poles of its atoms are...
equally north and south.
pointed in random directions, canceling each other out.
more powerful than most materials.
aligned, aiming in the same direction.
We can determine the direction of a magnetic force being created by a current by...
Pointing our right-hand fingers in the direction of the current, our thumb will point towards the magnetic force.
Pointing our left-hand thumb in the direction of the current, our fingers will point towards the magnetic force.
Pointing our left-hand fingers in the direction of the current, our thumb will point towards the magnetic force.
Pointing our right-hand thumb in the direction of the current, our fingers will point towards the magnetic force.
When creating a current with a magnet, the current will be more powerful if...
you increase the strength of the magnet.
you increase the speed of the magnet's force's change.
you increase the number of coils in the solenoid.
All of these are ways in which to make the current more powerful.
When creating a current with a magnet, the current will be more powerful if...
you decrease the strength of the magnet.
you increase the speed of the magnet's force's change.
you decrease the number of coils in the solenoid.
All of these are ways in which to make the current more powerful.
A material that is only magnetic when in the presence of a magnet is called a...
semimagnetic material.
ferromagnetic material.
hemimagnetic material.
metal.
A ferro magnetic materials poles are aligned with magnets that come near them, so their poles are in the/a _________ direction.
same.
opposite.
random.
You never know which direction the poles will be aligned.
Cutting a magnet into pieces will create multiple magnets with their poles in _________ alignment.
random
the same
the opposite
no
The force of a magnet is determined by its ______ with a magnetic or ferromagnetic material.
pole alignment
relative speed
current difference
distance
In magnetic field lines, the stronger magnetic field is located where the lines are....
the closest.
the farthest.
perpendicular.
evenly spaced.
A circuit using a magnet and solenoid to create a current could be more powerful when given...
a solenoid with less coils.
a solenoid with more coils.
a magnet with opposite aligning poles.
a longer path for the current to flow.
Magnetism in atoms is created by...
the difference between the positive nucleus and negative electrons.
the alignment of the electrons in the nucleus.
the irregular number of neutrons in the nucleus.
the rotation of the spinning electrons around a spinning nucleus.
In atoms, the rotation of the spinning electrons around a spinning nucleus creates...
a current.
a magnetic field.
both a current and a magnetic field.
