Study

Earth Moon Sun Review

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  • What is this?
    Penumbra
  • What is Earth's tilt?
    23.5 degrees
  • What is to become less and less illuminated? (Fading)
    Waning
  • Why does the moon appear to move across the sky at night?
    Earth rotating on its axis
  • During which phase can a lunar eclipse occur?
    Full Moon
  • What is this?
    Umbra
  • What season would this be in the southern hemisphere?
    Summer
  • Why don't we have 2 full moons every month?
    The moon's lunar cycle is 29.5 days (so about a month)
  • What is to become more and more illuminated?
    Waxing
  • Why do the moon's phases change?
    The angle between the sun, moon, and Earth has changed
  • What is to move around another object in an ellipse?
    Orbit
  • During which phase can a solar eclipse occur?
    New Moon
  • Which season(s) would this be for southern and northern hemisphere?
    Autumn and Spring
  • What season would this be in the southern hemisphere?
    Winter
  • True or false: the moon rotates as fast as it revolves
    True