Day and Night

Front

What is the horizon?

Back

The line where the sky and Earth's surface seem to meet.

Front

Why does the sun appear to rise in the east and set in the west?

Back

Because the Earth rotates.

Front

What does 'rotate' mean?

Back

To spin.

Front

What is sunset?

Back

The end of daylight.

Front

What does the part of Earth facing the sun experience?

Back

Day.

Front

What is the opposite of day?

Back

Night.

Front

What causes day and night?

Back

The rotation of the Earth on its axis.

Front

What is the axis of the Earth?

Back

An imaginary line that goes through the North and South Poles.

Front

What happens during sunrise?

Back

The sun appears to rise above the horizon.

Front

How long does it take for the Earth to complete one rotation?

Back

About 24 hours.