Earth’s Orbit & Rotation

Front

What is Earth's rotation?

Back

Earth's rotation is the spinning of the Earth on its axis, which takes about 24 hours to complete.

Front

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

Back

24 hours.

Front

What is Earth's orbit?

Back

Earth's orbit is the path that Earth takes as it moves around the Sun, which takes about 365 days to complete.

Front

Why does the sun appear to move across the sky?

Back

The sun appears to move across the sky because of Earth's rotation on its axis.

Front

What causes the need for time zones?

Back

Time zones are caused by Earth's rotation on its axis, which means different parts of the world experience daylight and darkness at different times.

Front

What causes different constellations to be visible from Earth at different times of the year?

Back

Different constellations are visible at different times of the year because of Earth's orbit around the Sun.

Front

What time of the day are the shadows the longest?

Back

Shadows are the longest at 9 am.

Front

What is the axis of the Earth?

Back

The axis of the Earth is an imaginary line that runs from the North Pole to the South Pole, around which the Earth rotates.

Front

What is a day?

Back

A day is the time it takes for the Earth to complete one full rotation on its axis, which is 24 hours.

Front

What is a year?

Back

A year is the time it takes for the Earth to complete one full orbit around the Sun, which is about 365 days.