Day and Night

• To revolve means to travel around.

• Earth revolves around the sun.

• One trip around the sun takes one year.

• To rotate means to spin.

• Earth rotates on its axis.

• A rotation takes one day.

• It is day time when our part of Earth faces towards the Sun.

• It is night time when our part of Earth faces away from the Sun.

• When it is day time in Boston, it is night time in Asia.

• Daytime begins at sunrise and ends at sunset.

• The Sun appears to rise in the East and set in the West.

• The Sun is not really moving across the sky.

• Instead, the Earth is rotating so your home faces towards the Sun and then away.

​

​Sunrise + Sunset