The Sun-Earth-Moon System

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

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

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

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

Mrs. Smith says "the moon looks larger than the stars!" What explains this?

• The moons soaks up the star's light
• The moon is larger than Earth
• The moon is larger than stars
• the moon is closer to Earth than stars

Define Waxing

• Moon is increasing and light part appears to be growing
• Completely illuminated
• dark side is facing earth
• Moon is decreasing and light part appears to be shrinking

Define Gibbous

• Less than half of moon visible
• More than half of moon visible
• All of moon visible
• None of moon visible

Define Full Moon

• None of moon is visible
• Half moon phase is visible
• Complete moon face is visible
• Less Than half of moon is visible

Define New Moon

• None of moon is visible from Earth
• All of moon visible from Earth
• Moon is 1/2 visible from Earth
• Moon is more than Half Visible from Earth

Define Quarter Moon

• None of moon visible
• Less than Half the moon is visible
• More than half of moon is visible
• Half of the moon is visible

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing