physics Science Kits - Letterbox Lab
How do planes fly?

How do planes fly?

How do planes fly? Aeroplanes are amazing: heavy hunks of metal that can fly with people sitting in them! Most children seeing or travelling in...

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Why is the Sky Blue?

Why is the Sky Blue?

The sky is made of air, which is obviously not blue. So, why is the sky blue? This seems like a tricky question which children ask a lot. But in...

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