Movement of Earth in Space

Front

What causes the change from daytime to nighttime on Earth?

Back

Earth rotates and causes different parts of Earth to experience night.

Front

What causes the Sun to appear to rise and set?

Back

Earth's rotation on its axis.

Front

When it's spring in the Southern Hemisphere, what season is it in the Northern Hemisphere?

Back

autumn (fall)

Front

Why do the stars seem to move or change positions in the night sky?

Back

The stars seem to move because of the Earth's rotation.

Front

Define the word 'orbit'.

Back

The path an object takes around another object.

Front

What is the main reason for the seasons on Earth?

Back

The tilt of Earth's axis as it revolves around the Sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis; revolution is the movement of Earth around the Sun.

Front

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

Back

Approximately 24 hours.

Front

How long does it take for Earth to complete one revolution around the Sun?

Back

Approximately 365.25 days.

Front

What is the equator?

Back

An imaginary line that divides Earth into the Northern and Southern Hemispheres.