ROTATION
It's the movement of the Earth on its axis and it takes one day (24 hours)
Rotation causes day and night.
REVOLUTION
It's the movement of the Earth around the Sun. it takes one year (365 days).
Revolution causes the 4 seasons.
Here there's an interactive activity to explore the Earth's orbit around the Sun:
GAME: Eath, Sun and Moon
VIDEO: The Earth and its movements
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