Question

Mention three different effects produced by heat.

Answer 1

The three different effects produced by heat are change in state where a body changes from one physical state to another. The second is the change in the shape of the body where when a body is heated, it expands and when itis cooled it contracts, this is also known as thermal expansion. The third is the change in the temperature of the body where the body which is heated, rises when it is cooled it falls. This change in temperature depends on the quantity of heat absorbed or given out by the body.

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Answer 2

1) change in state
2) change in colour
3) change in substance