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EMF: Investigation 2 Review
Test Description: A review of vocab and concepts.
Instructions: Answer all questions to get your test result.
1) To pull something toward each other is to
A
repel
B
force
C
pole
D
attract
2) To push something away is to
A
pole
B
repel
C
attract
D
force
3) The end of a magnet is a(n)
A
temporary magnet
B
magnetic field
C
pole
D
permanent magnet
4) This instrument that uses a free-rotating magnetic needle to show direction
A
spring scale
B
compass
C
temporary magnet
D
permanent magnet
5) How are the magnetic domains of a magnet different from the domains of an ordinary piece of metal?
A
In a magnet, the domains all point toward the north pole; in an ordinary piece of metal, they all point to the south pole.
B
n a magnet, the domains all point in the same direction; in an ordinary piece of metal, they're all jumbled up.
C
In a magnet, the domains are very strong; in an ordinary piece of metal, they're very weak.
D
A magnet contains magnetic domains; an ordinary piece of metal does not
6) 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 a paperclip is a type of electromagnet.
C
Because paperclips are permanent magnets.
D
Because the paperclip has acquired a static charge.
7) Which of the following metals can be magnetized?
A
Copper
B
Lead
C
Silver
D
Iron
8) An area of magnetic influence around a magnet is called the
A
magnetism
B
magnetic field
C
compass
D
gravitational force
9) When an object is NOT moving, it has __________ energy.
A
friction
B
no
C
kinetic
D
potential
10) When an object goes from moving to being still, you can say the _________ energy converted to ____________ energy.
A
potential, kinetic
B
kinetic, kinetic
C
kinetic, potential
D
potential, potential
11) The energy of motion is _________ energy.
A
kinetic
B
magnetic
C
potential
D
friction
12) When a permanent magnet is cut into 8 smaller pieces, the pieces
A
are useless and are no longer permanent magnets.
B
are either north pole or south pole.
C
are half permanent magnets and half temporary magnets
D
are now 8 permanent magnets, and each magnet has a north pole and a south pole.
*select an answer for all questions
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