BARU
Ukuran huruf
S
M
L
XL
Lembar kerjaThe Power of Magnets
Total soal: 10
Worksheet time: 30mins
Nama
Kelas
Tanggal
1.
Which of these materials will a magnet attract?
a)
paper
b)
iron
c)
copper
d)
wood
2.
If two magnets repel each other, what can you infer about the poles that are pushing against each other?
a)
They are 2 north poles.
b)
They are 1 north and 1 south pole.
c)
They are 2 south poles.
d)
Either A or C are can be true.
3.
According to the book, magnets are used to make all of the following machines work, except:
a)
hair dryers
b)
computers
c)
televisions
d)
bicycles
4.
Which of the following are inventions that use magnets?
a)
MRI machines
b)
some high-speed trains
c)
both choice A and choice B
d)
none of these choices
5.
A magnet attracts some kinds of metal. What does attracts mean?
a)
an invisible energy
b)
pulls toward
c)
makes electricity in
d)
pushes away
6.
Which of the following is an opinion about magnets?
a)
Magnets are the most useful objects.
b)
Magnetism is an invisible force.
c)
Doctors use magnets to help them in their work.
d)
Generators make electricity by spinning magnets.
7.
What will happen if you put the north pole of one magnet next to the south pole of another magnet?
a)
They will attract each other.
b)
They will repel each other.
c)
They will generate electricity.
d)
Both choice A and choice C are correct.
8.
What was the author's purpose for writing this book?
a)
to entertain the reader
b)
to inform the reader of the many uses of magnets
c)
to persuade he reader that they should use magnets
d)
all of the above choices are correct
9.
What is the main idea of this book?
a)
Magnets are special metals that attract some other metals and have many uses.
b)
Magnetism is a force that's invisible.
c)
Magnets help make, and use, electricity.
d)
Magnets are really fun.
10.
If 2 poles of a magnet repel each other, they ________________________
a)
spin around.
b)
pull toward each other.
c)
push away from each other.
d)
neither push or pull each other.
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