Moon Phases and Eclipses

Front

What is the time it takes for the moon to complete one full cycle of phases?

Back

Approximately 28 days.

Front

Why does the moon appear to change shape in the sky?

Back

Because we can see a different amount of its lit side at different times of the month.

Front

What happens during the new moon phase?

Back

The moon's sunlit side is facing away from Earth.

Front

When can a lunar eclipse occur?

Back

A lunar eclipse can only occur when the moon is in the full moon phase.

Front

What is a total solar eclipse?

Back

A total solar eclipse occurs when the sun is completely blocked from view by the moon.

Front

What is a total lunar eclipse?

Back

A total lunar eclipse occurs when the moon is completely in the Earth's shadow and appears darkened.

Front

What is the position of the moon during a full moon?

Back

The moon is on the opposite side of the Earth from the sun.

Front

How many phases does the moon go through in a lunar month?

Back

The moon goes through eight distinct phases.

Front

What is the term for the moon's path around the Earth?

Back

The moon's orbit.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the moon blocks the sun, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the moon.