Earth in the Solar System

Front

What causes the change from day time to night time?

Back

The rotation of the Earth.

Front

What is the Earth's axis?

Back

An imaginary pole that passes through the center of the Earth.

Front

What happens during the Winter Solstice?

Back

The Northern Hemisphere is tilted furthest from the sun, resulting in the shortest day and longest night of the year.

Front

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

Back

365.25 days.

Front

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

Back

24 hours.

Front

What is revolution in the context of Earth?

Back

The movement of the Earth around the Sun in an elliptical orbit.

Front

What is rotation in the context of Earth?

Back

The spinning of the Earth on its axis.

Front

What is the significance of the Earth's tilt?

Back

It affects the seasons and the amount of sunlight different parts of the Earth receive.

Front

What is a solstice?

Back

A solstice is an event in which the Sun reaches its highest or lowest point in the sky at noon, marking the longest and shortest days of the year.

Front

What is an equinox?

Back

An equinox is when day and night are approximately equal in length, occurring in spring and autumn.