WorksheetsMagnet2-Form 3
Total questions: 15
Worksheet time: 30mins
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
How is Earth's magnetic field similar to that of a magnet?
It is hundreds of miles long
It has north and south poles
It is made in Earth's core
It is shaped like a horseshoe
What is our best evidence that Earth has a magnetic field?
All things fall toward Earth's center
A compass needle lines up with it
Winds blow from east to west
Earth's oceans all have currents
Why does a compass needle point north?
The compass is a bar magnet
Because north is up
Because it's magic
It lines up with the Earth's magnetic field
Earth acts like a giant magnet because its center is made up MOSTLY of:
granite
limestone
iron
nickel
The effects of a magnetic field can be observed using iron fillings.
True
False
What is the shape of a magnetic field around a wire?
What is the shape of a magnetic field around a bar magnet?
Magnetic field lines are closer together when the magnetic force is _________
stronger
weaker
Magnetic field lines are ________________
invisible
visible
Magnetic Field Strength is
how strong the magnetic arrows are at a particular point.
how strong the electric field is at a particular point.
how strong the magnetic field is at a particular point.
how strong the world is at a particular point.
