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15. Blow Hot, Blow Cold - NCERT
Blow Hot, Blow Cold 143 Blow in different ways w Make whistles of the things given below. Write in a sequence–from the loudest to the softest whistle. - Wrapper of a toffee - A leaf - A balloon - The cap of a pen - Any other thing Teacher’s Note : Children take time to understand the concept of hot and cold air.
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