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10Heat helps us cook food
Human life is possible without the heat of the sun.
Heat helps in drying clothes and vegetables.
Heat cannot change the shape of objects.
Heat helps to kill harmful germs in milk and water
Food gets spoilt faster in summer due to heat.
Cold glass never breaks when hot water is poured into it.
Heat can cause electric wires to expand and sag.
Heat helps to open tightly closed lids of jars.
Heat has only advantages and no disadvantages in daily life.
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Which of the following is an advantage of heat?
Heat helps to dry:
Which happens when heat is given to a solid?
Why is heat used to boil milk?
What is a disadvantage of heat in summer?
What happens to electric wires due to heat?
What may happen if hot water is poured into cold glass?
Which season can cause water pipes to burst?
Which of the following is a positive effect of heat in daily life?
Which of the following is a negative effect of heat?
Heat helps us to ______ food.
Heat is used to ______ clothes and vegetables.
Heat can change the ______ of matter.
Boiling milk helps to kill harmful ______.
Food gets spoilt quickly in ______.
Water pipes may burst in ______ due to cold.
Heat causes electric wires to ______.
A plastic bottle may ______ if hot liquid is poured into it.
Heat helps kill harmful ______ in milk, water, and food.
Water pipes can ______ due to extreme cold in winter.