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 used to make bells?
Correct!
Wrong!
Which metal is used in aeroplane bodies?
Correct!
Wrong!
Which metal is best for making electric cables?
Correct!
Wrong!
Which metal is used in batteries of torches?
Correct!
Wrong!
Metals are usually hard, except:
Correct!
Wrong!
Which metal is mixed with iron to make steel stronger?
Correct!
Wrong!
Which metal does not rust easily?
Correct!
Wrong!
Science Quiz 157
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