Earth in Space

Front

What is an equinox?

Back

The beginning of spring and fall; days on which hours of daylight equal hours of darkness.

Front

What season occurs when the part of the world is tilted away from the Sun?

Back

Winter.

Front

What motion is responsible for the seasons?

Back

The revolution of Earth around the sun.

Front

What is the imaginary line that passes through Earth's center called?

Back

Axis.

Front

What is the difference between rotation and revolution?

Back

Rotation is the Earth turning on its axis. Revolution is the Earth circling around the Sun.

Front

What is the term for the position of the Earth in relation to the Sun during summer?

Back

The part of the Earth is tilted towards the Sun.

Front

What causes day and night on Earth?

Back

The rotation of the Earth on its axis.

Front

What is a solstice?

Back

The longest and shortest days of the year, marking the beginning of summer and winter.

Front

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

Back

Approximately 365.25 days.

Front

What is the term for the path that the Earth takes around the Sun?

Back

Orbit.