Lunar Cycle

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Lunar Cycle
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TAKS Objective 5

• The student will demonstrate an understanding of
  Earth and Space systems.

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TEKS 8.12 (A)

• analyze and predict the sequence of events in the
  lunar and rock cycles.

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True or False

• The phases of the Moon happen when the Earths
  shadow falls on the Moons surface.

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False

• The side of the Moon that is facing the Sun is
  always lit except during a lunar eclipse.

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True or False

• The Moon only shines at night.

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False

• Except close to New Moon, when the Sun is too
  bright for the Moon to be seen, and Full Moon,
  the Moon can be seen during certain times of
  every day.

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Objectives

• 1. The student will be able to analyze and
  predict the phases of the Moon.
• 2. The student will be able to determine which
  part of the Moon can be seen from Earth during
  each phase.
• 3. The student will be able to predict the
  rising and setting of various phases of the Moon.

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Lunar Cycle

• The moon cycles every 29.5 days
• The appearance of the moon is based on the
  alignment of the sun, Earth, and moon

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Phases of the Moon
Crescent Moon
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Phases of the Moon
First Quarter
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Phases of the Moon
Full Moon
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Phases of the Moon
Third/Last Quarter
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Phases of the Moon
New Moon
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Waxing and Waning

• The terms waxing and waning are used to indicate
  whether or not the phase of the Moon is getting
  larger going from new Moon to full Moon or
  getting smaller going from full Moon to new
  Moon.

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• A waxing Moon (getting larger) is moving away
  from the Suns position each day and a waning
  Moon (getting smaller) is moving toward the Suns
  position each day.

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What do you think the word, gibbous means?
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?ENGAGE

• Wax on and wane off song and dance
• Show The Terminator and Luna Tick newscast

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?Explore

• Analyzing a Moon Phase Calendar

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?Explain

• What pattern do you see in the first week of moon
  phases?
• 2. What pattern do you see in the second week of
  moon phases?
• 3. What pattern do you see in the third week of
  moon phases?
• 4. What pattern do you see in the fourth week of
  moon phases?
• 5. What is the difference between the second week
  and third week?

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?Explain Continued

• 6. What pattern do you see concerning the lit
  side of the moon between the first and fourth
  week?
• 7. Does this same pattern hold true in the second
  and third week?
• 8. From your study of the patterns found in the
  phases of the moon predict what phase will be
  found on the 28th day of the month. Shade in the
  moon on your calendar.

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?Elaborate

• Using a Moon Clock to Tell Time.

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?Evaluate

• Observe the following pattern
• Predict which of the pictures would be next in
  the lunar cycle?

A
D
C
B
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Credits

• Crescent Moon www.astrocalculator.com
• First Quarter moon www.hjsv.com
• Full Moon - www.lightascension.com
• Third/Last Quarter Moon www.bryanbradley.com
• New Moon scott.k12.va.us