The document discusses the phases of the moon. It explains that the moon gets its light from the sun and revolves around the earth every 28-31 days. As it revolves, the shape of the moon changes through phases such as new moon, crescent moon, quarter moon, gibbous moon, and full moon depending on how much of the illuminated side is visible to observers on earth.
2. Phases of the Moon
Moon’s Light – The moon gets its light from the
Sun, it does not make its own light like a star
Lunar Revolution – the moon revolves around
the Earth one time every 28-31 days (29.5 days
average)
The Moon changes shape as it revolves around
the Earth, these are called Phases
3. Waxing vs. Waning
Waxing – when the moon is growing or getting
bigger (Moon is on the Right)
Waning – when the moon is shrinking or getting
smaller (Moon is on the Left)
5. Phases of the Moon
New Moon – no moon, the moon is not
visible
Crescent Moon - less than half of the
moon is visible
Quarter Moon - half of the moon is
visible
Gibbous Moon – more than half of the
moon is visible
Full Moon – ALL of the moon is visible
6. Phases of the Moon
New Moon – no moon, the moon is not
visible
Crescent Moon - less than half of the
moon is visible
Quarter Moon - half of the moon is
visible
Gibbous Moon – more than half of the
moon is visible
Full Moon – ALL of the moon is visible