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How does rain form?

Water evaporatesIt condenses in the cloudIt falls as rainSea

Rain forms when water droplets in clouds join together, get heavy, and fall to the ground.

The Sun warms up the water in seas and lakes. When the water gets warm, it turns into vapour and rises into the sky. This is called evaporation.

The rising water vapour meets cold air in the sky. When it cools down, it turns into tiny water droplets. These droplets join together and form clouds.

The droplets inside a cloud stick together and slowly grow bigger. When the droplets get too heavy, they can't stay in the air anymore, so they fall down. We call these falling drops of water rain.

After it rains, the water mixes back into the seas, rivers, and soil. Then the Sun warms it up again, and this cycle keeps repeating without stopping.

Quick facts

The Sun warms the water in seas and lakes and turns it into vapour.
When water vapour cools down in the sky, tiny water droplets form.
These droplets join together and make clouds.
When droplets get too heavy, they fall to the ground — this is called rain.
The rain that falls mixes back into the seas and rivers.
When the air is very cold, water drops freeze and snow falls.

Check what you remember

4 questions — all of them come from the quick facts above. There is no score and no wrong turn.

1. What does water turn into first as it rises into the sky?

2. What are clouds made of?

3. Why do water droplets fall to the ground?

4. What falls instead of rain when the air is very cold?

Where this comes from

1 tr.wikipedia.org 88/100
Water cycle - Wikipedia
Shows step by step how water evaporates and turns into rain.
2 tr.wikipedia.org 85/100
Rain - Wikipedia
An encyclopedia page explaining how rain forms.
3 nasa.gov 75/100
NASA
An official site where you can find science facts about space and Earth.

💧

The Water Cycle

Water evaporates, turns into clouds, falls as rain, and goes back to the sea. This happens again and again without stopping.

☁️

How Do Clouds Form?

Water vapour cools down in the sky and turns into tiny droplets. When these droplets come together, they form a cloud.

❄️

Snow and Hail

When the air is very cold, water droplets freeze. Then snow or hail falls instead of rain.

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Rainbows

As the rain ends, sunlight passes through the water drops. That's why we can see a colourful rainbow in the sky.

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