Droplets Become Rain
Tiny water droplets inside a cloud bump into each other and join together. When a drop grows big and heavy, it falls from the cloud as rain.
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Examples
- On a cold morning, small drops join on a window and run down.
- Raindrops gather on an umbrella and drip to the ground.
Key takeaways
- Clouds are full of tiny water droplets.
- A water drop falls as rain when it becomes heavy enough.
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