Question

1.On chilly days when we breathe out on a glass or a window, the glass steams up
do you think this happens? Consult "Unit 8 of Science Fact File 2".

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Answer 1

Answer:

On chilly days, glass articles become cold and air condenses around them. Human breath is warm. So, when we breathe out on a glass or a window, the heat in our breath heats the condensed air. This causes the formation of a clear patch.