Amplify Earth Moon Sun Unit Study Guide

Front

What is a Full Moon?

Back

A moon phase that appears as a complete circle, fully illuminated by the Sun.

Front

What is a Gibbous Moon?

Back

A moon phase where more than half of the Moon is illuminated, but it is not yet full.

Front

How does light travel?

Back

Light travels in straight lines only.

Front

Can the Moon's surface facing Earth be completely dark?

Back

Yes, it can be completely dark in certain positions, specifically in Diagram 3 and sometimes in Diagram 1.

Front

What is the Moon's movement around Earth?

Back

The Moon is always moving around Earth in a circular orbit.

Front

What is a Crescent Moon?

Back

A moon phase where less than half of the Moon is illuminated.

Front

What is a Quarter Moon?

Back

A moon phase where half of the Moon is illuminated.

Front

What causes the different phases of the Moon?

Back

The different phases are caused by the relative positions of the Earth, Moon, and Sun.

Front

What is the significance of the Sun's position in relation to the Moon?

Back

The Sun's position determines how much of the Moon's surface is illuminated as seen from Earth.

Front

What is the difference between a New Moon and a Full Moon?

Back

A New Moon is not visible from Earth, while a Full Moon is fully illuminated.