Moon Phases and Eclipses Quiz

Which phase of the moon is completely dark?

• New Moon

• Waxing Gibbous

• Full Moon

• First Quarter

During which phase is the moon more than half illuminated but not yet full?

• First Quarter

• Waning Crescent

• New Moon

• Waxing Gibbous

What is the main characteristic of the crescent phases?

• The moon is fully illuminated

• The moon is fully dark

• The moon appears as a thin sliver

• The moon is half illuminated

What causes a lunar eclipse?

• The Moon casts a shadow on the Earth

• The Earth casts a shadow on the Moon

• The Sun casts a shadow on the Moon

• The Moon is between the Sun and Earth

Why don't solar and lunar eclipses occur every month?

• The Sun's orbit is tilted

• The Earth's orbit is tilted

• The Moon's orbit is tilted

• The Moon is too far from the Earth