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MAgnetism
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Instructions: Answer all questions to get your test result.
1) An instrument which uses magnet to give direction is known as
A
compass
B
Magna Lock
C
motor
D
vacuum cleaner
2) Magnetic materials include
A
nickel
B
iron
C
steel
D
all of them
3) A compass points north because
A
Earth’s south magnetic pole is there
B
Earth’s gravity is strongest at the North Pole
C
Earth’s north magnetic pole is there
D
Earth has no poles
4) A spaceship is traveling through space. Suddenly, its kinetic energy decreases. What can you say about the speed of the spaceship?
A
The kinetic energy remained the same because speed and kinetic energy are not related.
B
The speed decreased as its kinetic energy decreased.
C
The speed increased as its kinetic energy was converted into speed.
D
There is no way to know what happened to the speed.
5) What do magnets do?
A
Attract plastic objects.
B
Attract iron objects.
C
Attract wooden objects
D
Attract all types of objects
6) The north pole of one magnet attracts
A
the north pole of another magnet
B
either the north pole or the south pole of another magnet.
C
none of the above
D
the south pole of another magnet.
7) You can use electricity to make a magnet.
A
Maybe
B
False
C
True
D
I do not know
8) Electromagnets are used in
A
b.door bells
B
d. cabinet doors
C
c. both a and b
D
a.loud speakers
9) A substance consisting of a coil of wire with an iron core and is only magnetized when an electric current flows through it is called
A
coil
B
electromagnet
C
magnet
D
battery
10) Choose an object/s that uses electricity
A
d. a and b
B
a. light bulb
C
c. candle
D
b. microwave oven
*select an answer for all questions
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