Sumitra Siromani Solutions for Exercise 1: EXERCISES

Look at the sunlight coming into your room from a window. What small things can you see shining in the sunlight?

Name the gas in air that we breathe in.

What is strong wind with rain called?

Clue: It is a five-letter word and starts with the letter 'S'.

Name the solid form of water.

Name the season with long days.

Clue: It is a six-letter word and starts with the letter 'S'.

Name the following process.

Water$\to$water vapour$\to$clouds$\to$rain $\to$water$\to$water vapour.

From where do harmful gases come in the air? What harm do they cause?

How can you change water to ice?