Front

What is the layer of gases that surrounds the Earth?

Back

Atmosphere

Front

What does the Earth's rotation cause?

Back

Day and night

Front

What are the longest and shortest days of the year called?

Back

Solstice

Front

Which planet is the Earth in relation to the sun?

Back

3rd

Front

What is the invisible line that runs through the center of the Earth called?

Back

Axis

Front

What is the term for the movement of the Earth around the sun?

Back

Revolution

Front

What is the term for the spinning of the Earth on its axis?

Back

Rotation

Front

What are the two points where the sun is at its highest or lowest in the sky called?

Back

Solstice

Front

What is the term for the time when day and night are of equal length?

Back

Equinox

Front

What is the gravitational pull of the Earth responsible for?

Back

Keeping the moon in orbit around the Earth