ES.3b2 Moon Phases Review

​ES.3b2 Moon Phases

I can create a diagram of the Moon orbiting the Earth in each lunar phase.

Moon Phases - The Main Phases

• The full lunar cycle, from New Moon to the next New Moon, is 29.5 days

• The New Moon 🌑 occurs on Day 0

• The First Quarter Moon 🌓 occurs on Day 7

• The Full Moon 🌕 occurs on Day 14

• The Third Quarter Moon 🌗 occurs on Day 22

Moon Phases - Between the Main Phases

• When the right side of the Moon is illuminated, it is said to be "waxing", or getting bigger

• When the left side of the Moon is illuminated, it is said to be "waning", or getting smaller

• Crescent moons can be waxing 🌒, ALL of the days between New Moon and First Quarter, or waning 🌘, ALL of the days between Third Quarter and New Moon.

• Gibbous moons can be waxing 🌔, ALL of the days between First Quarter and Full Moon, or waning 🌖, ALL of the days between Full Moon and Third Quarter

Multiple Choice

How long is the full lunar cycle? (From new moon to new moon)

• 14 days

• 29.5 days

• 37.2 days

• 62 days

Multiple Choice

What causes the moon phases?

• Where you are standing on Earth.

• The tilt of the Earth.

• The amount of visible sunlight reflected off of the Moon.

• How fast the Moon is moving.

Multiple Choice

During which phase of the Moon is the side facing us NOT illuminated by the Sun?

• Full moon

• New moon

• Waxing gibbous

• Waning crescent

Multiple Choice

Which moon phase is this?

• waxing crescent

• waxing gibbous

• waning gibbous

• waning crescent

Multiple Choice

Which moon phase is this?

• New moon

• First quarter moon

• Full moon

• Third quarter moon

Multiple Select

Which phase is this AND what phase of the Moon would you see next?

• waxing crescent

• waning crescent

• first quarter

• third quarter

Multiple Select

Which phase is this AND what phase would you see next?

• first quarter

• third quarter

• waxing crescent

• waning crescent

Multiple Choice

Which phase of the moon would be position A in the diagram?

• waxing crescent

• waxing gibbous

• first quarter

• third quarter

• new moon

Multiple Choice

Which phase of the moon would be position C in the diagram?

• waxing crescent

• waxing gibbous

• first quarter

• third quarter

• new moon

Multiple Choice

Which phase of the moon would be position E in the diagram?

• waxing crescent

• waxing gibbous

• first quarter

• third quarter

• new moon

Multiple Choice

Which phase of the moon would be position B in the diagram?

• waxing crescent

• waxing gibbous

• first quarter

• third quarter

• new moon