The Rainbow Maker: Cosmo
Cosmo wonders where rainbows come from, and discovers how to make one at home.
After the rain, a rainbow arced across the sky. ‘Where do rainbows come from?’ Cosmo asked Felix the lamb. Felix didn’t know. So Cosmo decided to find out.
Cosmo read that rainbows happen when sunlight shines through raindrops. The light bends and splits into seven colours. ‘I could do that,’ Cosmo thought, ‘at home!’
Cosmo stood in the sunlight with a garden hose. He held it up, and tilted it. Suddenly, the wall lit up with red, orange, yellow, green, blue, indigo and violet! ‘A rainbow!’ Cosmo cried.
Felix tried to catch the colours with his paws, but they slipped away. They laughed, and danced in the little rainbow until the sun slid behind a cloud.
That evening, Cosmo drew a picture of the rainbow in a notebook. ‘Now I know,’ he wrote. ‘Light has all the colours inside it.’ And Cosmo smiled, feeling like a real scientist.
The little lesson
Curiosity is the beginning of wonder.
Let’s talk about it
- What colours are in a rainbow?
- What makes light split into colours?
Finish stories to collect Cosmo as a sticker in your Sticker Book.
More Little Scientists stories
Where Do Rainbows Come From, Ella?
Ella wonders where rainbows come from, and discovers how to make one at home.
Vik Makes a Rainbow
Vik wonders where rainbows come from, and discovers how to make one at home.
The Bug Hunt with Zeke
Zeke discovers a strange beetle and follows the clues to find out what it is.
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