a. Demonstrate the phases of the
moon by showing the alignment of
the earth, moon, and sun.
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Wax means to get bigger
Wane means to get smaller
Wax on/wax off (visibility begins from the
far right and gradually increases until a full
moon is reached. After it is reached, the
right side fades away until the next new
moon.
Moon phase completion takes 29 days and 12
hours completing a Lunar Calendar.
NEW MOON
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Moon lies between the
sun and the Earth
Side facing Earth is
dark
Moon is NOT visible
(EXCEPT during a
Solar Eclipse)
WAXING CRESCENT
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Less than a quarter of
the moon is visible
The visible part slowly
becomes larger
You see the moon from
the right side with
light
Backwards “C”
FIRST QUARTER
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Moon forms a 90˚
angle with the sun and
Earth
Right half of the moon
is visible (light)
Left half is dark
2 equal halves
WAXING GIBBOUS
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Close to full moon
visibility
More than a quarter is
visible on Earth
Slight darkness on the
far left side
FULL MOON
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The moon is aligned
with the Sun and Earth
(Earth is in the middle)
The entire side of the
moon facing Earth is
bright (visible)
WANING GIBBOUS
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More than a quarter is
visible
Far right side is dark
Visible portion is
becoming smaller
LAST QUARTER
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Moon, Sun, and Earth
form a 90˚ angle, so the
side facing earth is half
dark/half bright
Visible part will slowly
get smaller
Visible part is the left
side with right side dark
WANING CRESCENT
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Less than a quarter is
visible
Visible part is getting
smaller towards the new
moon
Only a sliver on the left
side is visible, right side
is all hidden
Looks like the letter “C”