The Phases of the Moon

1. What causes the phases of the moon?

• The moon rotating on its axis.
  

• The Earth's shadow falling on the moon.
  

• The changing distance between the Earth and the moon.
  

• The changing positions of the Earth, moon, and sun.

Which phase shows a fully illuminated moon?

• New Moon

• First Quarter
  

• Full Moon
  

• Third Quarter

During a new moon, what percentage of the moon is illuminated from our perspective?

• 100%
  

• 50%
  

• 25%
  

• 0%

Which phase comes after the Full Moon?

• New Moon

• First Quarter

• Waning Gibbous

• Waxing Gibbous

What is a waxing crescent moon?

• More than half illuminated, getting smaller.

• Less than half illuminated, getting bigger.

• Less than half illuminated, getting smaller.

• More than half illuminated, getting bigger.

1Which phase is also known as half-moon?

• New Moon

• Full Moon

• First Quarter

• Third Quarter

How long does it take for the moon to go through all its phases?

• About a week

• About two weeks

• About a month

• About a year

What is the name of the phase when the moon is between the Earth and the sun?

• Full Moon

• New Moon

• First Quarter

• Third Quarter

A waning gibbous moon is:

• Less than half illuminated, getting bigger.

• More than half illuminated, getting smaller.

• 
  Less than half illuminated, getting smaller.

• More than half illuminated, getting bigger.

The opposite of a waxing crescent is a:

• Waxing gibbous

• Waning gibbous

• Waning crescent

• First quarter