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Rain is essential to our planet. Without it, all life on Earth would struggle to survive. How do rain clouds form and what determines whether it rains or not?Key facts
- Rainfall comes from the clouds, which are made of water vapor.
- Water vapor is composed of millions of water molecules.
- These molecules latch on to dust and pollen, cluster and fall as raindrops.
- There are three types of rain: convectional, frontal and relief.
Transcript
From a light drizzle to the epic downpours of a monsoon, rain is a vital part of our weather and it all comes from clouds.
Clouds are a swirling mass of water vapor - containing billions of water molecules.
Each molecule is made up of two hydrogen atoms and a single oxygen …
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