The knowledge exchange

Physics

Why the sky is blue and sunsets are red

Explain to a curious child why the sky changes colour using only sunlight and air.

45 minLevels
L0L1L2L3L4L5

Lessons

1 · 3-minute lesson3 min

Predict why the sky overhead looks blue on a clear day.

Available

2 · Coming soon

Generated when you start

3 · Coming soon

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4 · Coming soon

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5 · Coming soon

Generated when you start

Start the 3-minute lesson