Earth’s Orbit & Rotation

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

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

Back

It takes 24 hours for the Earth to complete one rotation on its axis.

Front

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

Back

Different constellations are visible at different times of the year due to Earth's orbit around the sun.

Front

What causes the need for time zones?

Back

The need for time zones is caused by Earth's rotation on its axis.

Front

What does the Foucault pendulum provide evidence for?

Back

The Foucault pendulum provides evidence for the rotation of Earth on its axis.

Front

What is Earth's orbit?

Back

Earth's orbit is the path that Earth takes as it moves around the sun.

Front

How long does it take for Earth to orbit the sun?

Back

It takes about 365 days for Earth to complete one orbit around the sun.

Front

What is rotation?

Back

Rotation is the spinning of Earth on its axis.

Front

What is the axis of the Earth?

Back

The axis of the Earth is an imaginary line that goes through the North and South Poles.

Front

What is a constellation?

Back

A constellation is a group of stars that form a recognizable pattern in the sky.