Science Magnetism Question Preview (ID: 31313)
Part 1.
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Magnetite is a _______________ magnet.
a) man-made
b) pseudo-
c) natural
d) artificial
Every magnet has _____ poles.
a) 8
b) 2
c) 4
d) 6
Moving __________________ create magnetic fields.
a) ions
b) neutrons
c) protons
d) electrons
______________ are created from magnetic forces of attraction and repulsion.
a) Magnetospheres
b) Magentic domains
c) Magnetic fields
d) Auroras
A group of atoms with their magnetic poles pointing in the same direction are called _____________________.
a) magnetic domains
b) magnetic fields
c) magnetospheres
d) magnetism
Earth contains a large magnetic field called a(n) __________________.
a) electromagnet
b) aurora
c) magnetic domain
d) magnetosphere
Earth's molten iron in the outer core is responsible for generating the ___________________.
a) aurora
b) magnetic field
c) magnetic domain
d) magnetosphere
When an electric current is created, _____________ flow in a wire.
a) electrons
b) protons
c) neutrons
d) ions
Materials that can become magnetized include _____________ and _________________.
a) copper and iron
b) steel and copper
c) steel and iron
d) copper and aluminum
The magnetic field is strongest near the _____________ of a bar magnet.
a) center
b) north pole
c) poles
d) south pole
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