EVS questions in one or two sentences .

The hot tea is hotter than the air around it. So the heat of the hot tea spreads in the surrounding cold air. As a result the hot tea becomes cold.

 When we exercise, run or play games. our heartbeats increase and become more than normal..

On breathing heavily in and out, the body parts which I feel moving up and down are: the chest and the stomach.

Musical instruments that can be played by creating vibrations in leather stretched across them are: the dholak, the mridang. the tabla and the naggada.

If ice cream is kept out in the open. it gains warmth, melts and turns into a liquid (milk).

Whistling sound is produced by blowing hard into a whistle.

The woodcutter started blowing hard on the hot potatoes to cool them.

Air that is breathed out through the nose is known as 'exhalation'.

Air that is breathed in through the nose is known as 'inhalation'.