Front

What causes the Moon to appear to change shape from night to night?

Back

As the Moon travels around Earth, sunlight hits it from different directions.

Front

What does the word 'temperature' mean?

Back

Temperature is a measurement that indicates how hot or cold something is.

Front

What is the study of the Sun, Moon, stars, and planets called?

Back

Astronomy.

Front

What does the word 'warmth' mean?

Back

Warmth means heat.

Front

How long does it take for Earth to rotate one time around its axis?

Back

One day.

Front

What is the main reason we see different phases of the Moon?

Back

The position of the Moon relative to the Earth and the Sun changes.

Front

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

Back

Orbit.

Front

What is the name of the force that keeps the planets in orbit around the Sun?

Back

Gravity.

Front

What is the term for a complete trip of the Earth around the Sun?

Back

One year.

Front

What do we call the time it takes for the Moon to go through all its phases?

Back

About one month.