Moon Phases Review

Each night the moon phase changes. What causes the moon phase to change each night?

• Rotation of the earth

• Gravity

• The tilt of the earth

• The relative positions of the earth, moon, & sun

How much of the moon’s bright side can you see during a new moon?

• 100%

• Half 50%

• About 20 % on the left

• None 0%

When the visible (lit) portion of the moon is increasing, the moon is:

• waning
• full
• waxing
• new

About how many days does it take to moon to go through a complete cycle?

• 7 days
• 365 days
• 29 days
• 20 days

When the Earth is between the moon and sun, it is most likely a:

• new moon
• full moon
• waxing crescent
• waxing gibbous

Approximately how much time passes between the new moon and full moon?

• one month
• two weeks
• 3 days
• 24 hours

What causes the moon's phases

• Where you are standing on Earth
• the amt of sunlight reflected onto the moon from the sun
• The tilt of Earth
• how fast the moon is moving

As the moon moves from a new moon to a full moon, you see:

• the moon appearing increasingly lighter
• The amount of light the moon is receiving decreasing
• the amount of light the moon gets staying constant
• more light and then less light

How long does it take the moon to complete an orbit around Earth?

• 23 days
• 29 days (1 month)
• 2 weeks (half a month)
• 365 days (a year)

Why do we always see the same side of the moon from Earth?

• because the phases change
• because it rotates and revolves at the same rate
• because half of the moon always receives sunlight
• The moon changes positions