nazhif's answer to Alesha's Primary 6 Science Singapore question.
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a) During the morning when it is hot, the wires will expand. At night when it is cold, the wires contract.
b)The wires were shorter because they contract due to the cold air at night.
c)Since the wire will expand when it is hot in the day, the wires may snap if they are not hung loosely.
b)The wires were shorter because they contract due to the cold air at night.
c)Since the wire will expand when it is hot in the day, the wires may snap if they are not hung loosely.
Date Posted:
2 years ago
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