The Moon is always being illuminated by the Sun on half of its surface, except during lunar eclipses. Because the Moon revolves around Earth, we see different amounts of this lit half as the Moon moves in its orbit. These different amounts of light are known as moon phases. The phases of the Moon are cyclical because its revolution around Earth is cyclical. Directions: Answer each question or respond to each statement on the space provided by using the in complete sentences. Using the read each question and response. Click when you have completed the activity.