The video tutorial explains the phases of the moon, which are caused by the moon's position relative to the Earth and the Sun. It covers the eight phases: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent. Each phase is described in terms of its appearance and position. The video encourages viewers to observe these phases and understand their cyclical nature.

What causes the different phases of the moon?

• The moon's gravitational pull

• The relative positions of the Earth, moon, and sun

• The moon's distance from the Earth

• The moon's rotation on its axis

How many main phases of the moon are there?

• Six

• Ten

• Eight

• Four

During which phase is the moon not visible from Earth?

• Waxing Crescent

• New Moon

• Full Moon

• First Quarter

What is the Waxing Crescent phase?

• The moon is not visible

• A small part of the moon is visible from the right side

• Half of the moon is visible

• The moon is fully illuminated

At what angle is the moon positioned during the First Quarter phase?

• 0 degrees

• 90 degrees

• 180 degrees

• 270 degrees

Which phase follows the First Quarter?

• New Moon

• Waxing Gibbous

• Full Moon

• Waning Crescent

What is the position of the moon during a Full Moon?

• Between the Earth and the sun

• Opposite the sun with Earth in between

• At a 90-degree angle to the sun

• Directly above the Earth

What is the Waning Gibbous phase?

• The moon is fully illuminated

• The moon is not visible

• The left side of the moon is mostly illuminated

• The right side of the moon is mostly illuminated

During which phase is the moon three-quarters of the way through its cycle?

• Third Quarter

• New Moon

• First Quarter

• Full Moon

What is another name for the Waning Crescent phase?

• Full Moon

• Warning Crescent

• New Moon

• Waxing Crescent