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Amplify Magnetic Fields Chapter 2
Test Description: Amplify
Instructions: Answer all questions to get your test result.
1) What are magnetic fields?
A
energy the earth absorbs from the sun
B
fields set up for robots to play sports.
C
visible space around a magnet in which magnetic forces can act on objects.
D
invisible space around a magnet in which magnetic forces can act on objects.
2) Compasses work because of the magnetic force that surrounds Earth.
A
who cares
B
who knows
C
false
D
true
3) Magnetic forces between the magnetic poles of Earth and the compass needle cause a compass needle to rotate and point ___.
A
east
B
south
C
north
D
weinies (west)
4) Based on your observations of magnets, magnetic forces can pass through other solid objects.
A
who cares
B
who knows
C
true
D
false
5) Which of the following is true?
A
A north pole of one magnet is attracted to the north pole of another.
B
A south pole of one magnet is attracted to the south pole of another.
C
All parts of a magnet are attracted to all others.
D
A north pole of one magnet is attracted to the south pole of another.
6) Magnets attract some metals
A
false
B
who knows
C
true
D
who cares
7) Magnets repel wood.
A
who cares
B
true
C
false
D
who knows
8) Magnets can move other objects from a distance.
A
who knows
B
false
C
who cares
D
true
9) Magnets can attract or repel other magnets.
A
true
B
false
C
who knows
D
who cares
10) What do magnetic field lines look like when two magnets attract?
A
who knows
B
All field lines connect one pole of a magnet to the other pole of that sale magnet
C
who cares
D
Most field lines connect one pole of one magnet to the opposite pole of the other magnet
11) A magnet alone is considered a system.
A
false
B
true
C
who cares
D
who knows
12) Potential energy can be stored in a system and also in a magnetic field.
A
true
B
who knows
C
who cares
D
false
13) When a magnet system stores more potential energy, there can be a greater change to a magnet’s kinetic energy.
A
who cares
B
false
C
true
D
who knows
14) A magnetic force has no affect on the potential or kinetic energy in a system.
A
who cares
B
false
C
true
D
who knows
15) The energy used to move a magnet against a magnetic force is stored as potential energy in the magnetic field.
A
true
B
false
C
who knows
D
who cares
16) Sports like snowboarding, skydiving, trampoline gymnastics, and power bocking involve changes between potential energy and kinetic energy.
A
true
B
who cares
C
false
D
who knows
17) ___ is to change from one type to another.
A
convert
B
refute
C
isolate
D
transfer
18) The energy of motion is ____ energy
A
potential
B
magnetic
C
variable
D
kinetic
*select an answer for all questions
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