Show What You Know: Phases of the Moon

Front

What is the lunar cycle?

Back

The lunar cycle is the sequence of phases the Moon goes through as it orbits the Earth, taking about 29.5 days to complete.

Front

How is the lunar cycle related to our calendar?

Back

The lunar cycle is closely related to a month in our calendar.

Front

What does the Moon do to appear lit?

Back

The Moon appears lit because it is reflecting light from the Sun.

Front

What is a waxing gibbous moon?

Back

A waxing gibbous moon is a phase where more than half of the Moon is illuminated and is increasing in light.

Front

What is a new moon?

Back

A new moon occurs when the Moon is directly between the Sun and the Earth, making it invisible from Earth.

Front

What is a full moon?

Back

A full moon occurs when the Earth is between the Sun and the Moon, and the entire face of the Moon is illuminated.

Front

What is a waning crescent moon?

Back

A waning crescent moon is a phase where less than half of the Moon is illuminated and is decreasing in light.

Front

What is the difference between waxing and waning?

Back

Waxing means increasing in illumination, while waning means decreasing in illumination.

Front

What is the significance of the Moon's phases?

Back

The Moon's phases affect tides, animal behavior, and have cultural significance in various societies.

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

It takes about 29.5 days for the Moon to complete one full cycle of phases.