What Causes the Earth to Spin?

The Earth spins because it was set in motion a long time ago, and nothing has stopped it yet. Just like when you spin around and keep going even after you stop pushing, the Earth keeps spinning because of how it started. It's like a cosmic top that never stops turning.

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Examples

A spinning top keeps going because it was set in motion, just like the Earth.
When you swing around in a circle and let go, your body still moves forward, this is how the Earth keeps spinning.
Imagine pushing a toy car on a track; once it gets moving, it doesn't need much help to keep going.

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Categories: Science · Earth,Rotation,Physics