Magnetism Question Preview (ID: 42274)


Period 4. TEACHERS: click here for quick copy question ID numbers.

The area of magnetic force around a magnet is called the magnet's ___________
a) magnetic field
b) magnetic domain
c) permanent magnet
d) aurora

The region of Earth's magnetic field shaped by solar win is called the
a) Northern Lights
b) Van Allen belts
c) magnetosphere
d)

Every million years or so, Earth's magnetic field has
a) been destroyed
b) made magnets
c) reversed direction
d)

The amount of magnetic declination depends on
a) what season of year it is
b) your location on Earth
c) what the temperature
d)

You can destroy a magnet by
a) freezing it
b) heating it
c) breaking it in half
d)

A particle in an atom that has a negative charge is a(n)
a) electron
b) neutron
c) proton
d)

In a magnetized material, all or most of the magnetic domains are arranged in the same
a) atom
b) domain
c) direction
d)

A group of atoms with their magnetic fields pointing in the same direction is called a(an) ________________________
a) magnetic field
b) magnetic domain
c) permanent magnet
d) aurora

When the magnetic fields of two or more magnets overlap, the result is a
a) combined magnetic field
b) single magnetic field
c) magnetic domain
d)

Magnetic field lines
a) never cross
b) cross at the north pole
c) cross halfway between the poles
d)

What is a material that attracts iron and materials that contain iron?
a) aurora
b) magnet
c) domain
d)

Where on a magnet is the magnetic force strongest?
a) at the north pole only
b) halfway between the poles
c) at either the north or south pole
d)

A material that shows strong magnetic properties is a(n) ________________ material
a) magnetic field
b) magnetic domain
c) ferromagnetic material
d) aurora

A magnet made from a material that keeps its magnetism for a long time is called a(n) ______________________ magnet
a) permanent
b) temporary
c) aurora
d)

A glowing region in Earth's atmosphere caused by charged particles from the sun is called a(n) _______________________
a) magnetic field
b) magnetic domain
c) aurora
d)

Magnetic poles that are UNLIKE ATTRACT each other.
a) true
b) false
c)
d)

A spinning electron produces a magnetic field
a) true
b) false
c)
d)

The magnetic fields of the atoms in MOST MATERIALS point in the same direction
a) true
b) false
c)
d)

ALL MAGNETS are made of PURE IRON.
a) true
b) false
c)
d)

Earth itself can make magnets out of ferromagnetic materials
a) true
b) false
c)
d)

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