Page 129 - Additional Materials MSPP Writing Book 2

3 Once they become heavy enough, they can fall to Earth.

Some droplets collide with others in order to become larger whilst others will
4
grow as water condenses out the air into the droplet.

1 Clouds form when water vapour (a gas) cools and condenses to form water

droplets (a liquid) but these droplets are so tiny they stay in the sky.

5 When these drops become too heavy to stay in the cloud, we get rain.

2 To become rain, the water droplets must grow by acquiring more water and
becoming larger.