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Moon Phases

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  • The amount of matter in an object is called
    mass
  • A phase of the moon that comes after a full moon and before a last quarter moon where all of the moon is lit up except for a small bit on the right side of the moon that we can see.
    Waning Gibbous
  • Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth
    Solar Eclipse
  • An astronomical event that occurs when one celestial object moves into the shadow of another.
    Eclipse
  • The force the pulls objects toward each other is called ___________.
    gravity
  • Seasons are caused by the Earth's _______ of the Sun.
    orbit
  • What do we call the star around which the Earth and other planets revolve?
    The Sun
  • An eclipse where the Earth comes between the Sun and the Moon and it is a full Moon (the moon is covered, has a shadow of dark red cast on it, or slightly dimmed)
    Lunar Eclipse
  • One-half of the Moon appears to be illuminated by direct sunlight. The light is on the right.
    First Quarter Moon
  • The Moon appears to be partly but less than one-half illuminated by direct sunlight. The fraction of the Moon's disk that is illuminated is decreasing.
    Waning Crescent
  • How long does it take the Moon to complete one cycle of phases?
    About 1 month
  • How long does it take the Earth to revolve around (orbit) the Sun?
    1 year (365 days)
  • The collection of planets and their moons in orbit around a sun, together with smaller bodies such as asteroids, meteoroids, and comets.
    Solar System
  • What do we call the imaginary line on which the Earth rotates?
    axis
  • Moon phase when all of the Moon's lighted half is visible
    Full Moon
  • When we start seeing less and less of the Moon it is _________.
    waning
  • How many phases does the Moon have?
    8
  • A phase of the moon that comes after a 1st quarter moon and before a full moon where almost all of the moon is lit up from the right to the left, except a small bit on the left.
    Waxing Gibbous
  • A phase of the moon coming after a new moon and before a 1st quarter moon that is a lit up crescent on the right
    Waxing Crescent Moon
  • Half of the moon is covered; light is on the LEFT.
    Last or Third Quarter Moon
  • How long does it take for the Earth to make one full rotation on its axis?
    1 Day
  • When we start seeing more and more of the Moon it is _____________.
    waxing
  • Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.
    New Moon
  • A device used to observe objects in the night sky by making them appear closer.
    telescope