EMF: Investigation 2 Review Question Preview (ID: 40456)
A Review Of Vocab And Concepts.
TEACHERS: click here for quick copy question ID numbers.
To pull something toward each other is to
a) attract
b) repel
c) force
d) pole
To push something away is to
a) repel
b) attract
c) force
d) pole
The end of a magnet is a(n)
a) pole
b) permanent magnet
c) magnetic field
d) temporary magnet
This instrument that uses a free-rotating magnetic needle to show direction
a) compass
b) spring scale
c) temporary magnet
d) permanent magnet
How are the magnetic domains of a magnet different from the domains of an ordinary piece of metal?
a) n a magnet, the domains all point in the same direction; in an ordinary piece of metal, they're all jumbled up.
b) In a magnet, the domains are very strong; in an ordinary piece of metal, they're very weak.
c) In a magnet, the domains all point toward the north pole; in an ordinary piece of metal, they all point to the south pole.
d) A magnet contains magnetic domains; an ordinary piece of metal does not
Why are the magnetic domains of a paperclip lined up after touching a permanent magnet?
a) Because the paperclip has been exposed to a magnetic field.
b) Because the paperclip has acquired a static charge.
c) Because paperclips are permanent magnets.
d) Because a paperclip is a type of electromagnet.
Which of the following metals can be magnetized?
a) Iron
b) Lead
c) Silver
d) Copper
An area of magnetic influence around a magnet is called the
a) magnetic field
b) magnetism
c) gravitational force
d) compass
When an object is NOT moving, it has __________ energy.
a) potential
b) kinetic
c) no
d) friction
When an object goes from moving to being still, you can say the _________ energy converted to ____________ energy.
a) kinetic, potential
b) potential, kinetic
c) potential, potential
d) kinetic, kinetic
The energy of motion is _________ energy.
a) kinetic
b) potential
c) friction
d) magnetic
When a permanent magnet is cut into 8 smaller pieces, the pieces
a) are now 8 permanent magnets, and each magnet has a north pole and a south pole.
b) are useless and are no longer permanent magnets.
c) are either north pole or south pole.
d) are half permanent magnets and half temporary magnets
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