This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Metals usually expand when:
Correct!
Wrong!
Which metal is best for making electric cables?
Correct!
Wrong!
Which metal is used in batteries of torches?
Correct!
Wrong!
Which metal is mixed with iron to make steel stronger?
Correct!
Wrong!
Which metal is used in aeroplane bodies?
Correct!
Wrong!
Which metal does not rust easily?
Correct!
Wrong!
Which metal is used to make bells?
Correct!
Wrong!
Metals are usually hard, except:
Correct!
Wrong!
Science Quiz 157
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