Worksheet: The Moon and Its Phases

In this worksheet, we will practice recognizing that the Moon's orbit of Earth creates observable patterns (the phases of the moon).


As the moon appears to get larger, we say it is .

  • Adecreasing
  • Bwaning
  • Cincreasing
  • Dwaxing


Where does the Moon’s light come from?

Earth, moon and sun - 72 ppi
  • AThe Moon reflects light from Earth.
  • BThe Moon produces light from a nuclear reaction called fusion.
  • CThe Moon burns gases to make light.
  • DThe Moon reflects light from the Sun.


What is the phase of the Moon when 100% of the Moon is lit up?

  • ANew moon
  • BFirst quarter
  • CWaxing crescent
  • DWaxing gibbous
  • EFull moon

What is the phase of the Moon when the Moon sits between the Sun and Earth?

  • ANew moon
  • BCrescent moon
  • CGibbous moon
  • DQuarter moon
  • EFull moon


The diagram shows Earth, the Sun, and the Moon.

Which of the following statements correctly describes how Earth and the Moon revolve or orbit?

  • AThe Moon and Earth revolve around the Sun.
  • BThe Sun revolves around the Moon and Earth.
  • CEarth revolves around the Sun, and the Moon revolves around Earth.
  • DEarth revolves around the Moon, and the Moon revolves around the Sun.
  • EThe Sun and Earth revolve around the Moon.


How long does it take for the Moon to orbit Earth?

  • A1 day
  • B1 month
  • C1 year
  • D1 week


As the Moon orbits Earth, the Sun lights half of the Moon. The other half of the Moon is in darkness.

During the Moon’s orbit, we see different amounts of the half of the moon that is lit by the Sun.

What is the name given to the different shapes of the Moon in the sky?

  • AStates
  • BAges
  • CStages
  • DPhases

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