Sun-Earth-Moon System

What moon phase is this picture?

• This is the full moon phase.
• This is the waxing gibbous moon phase.
• This is the waning gibbous moon phase.
• This is the first quarter moon phase.

What moon phase is this picture?

• This is the waning crescent phase.
• This is the waxing gibbous phase.
• This is the waning gibbous phase.
• This is the new moon phase.

What is this moon phase?

• This is the waxing crescent phase.
• This is the full moon phase.
• This is the waxing gibbous phase.
• This is the last quarter moon.

What is this moon phase?

• This is the waxing gibbous moon phase.
• This is the last quarter moon phase.
• This is the first quarter moon phase.
• This is the new moon phase.  

What moon phase is this picture?

• This is the full moon phase.  
• This is the waxing crescent moon phase.
• This is the waning gibbous moon phase.
• This is the waning crescent moon phase.

What moon phase is this picture?

• This is the new moon phase.
• This is the waxing crescent moon phase.
• This is the waxing gibbous moon phase.
• This is the waning crescent moon phase.

What moon phase is this image?

• This is the full moon phase.
• This is the last quarter moon phase.
• This is the waxing gibbous moon.
• This is the new moon phase.

What phase of the moon is this image?

• This is the last quarter moon phase.
• This is the full moon phase.
• This is the first quarter moon phase.
• This is the waxing gibbous moon phase.

What is the difference between a gibbous moon and a crescent moon?

• The gibbous shows more than half of the bright side of the moon.
• The crescent shows more than half of the bright side of the moon.
• The gibbous shows less than half of the bright side of the moon. 

The cycle of the moon lasts about a _.

• day
• year
• week
• month