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Transcript of (8.7B)
warm-up activity. Make sure you write the student objective on the backside
of the page. You will have 5 minutes. TEKS (8.7B) The Lunar Cycle
The student is expected to demonstrate and predict the sequence of events in the lunar cycle. Fundamental Questions
1. What is the role of the Sun in the occurrence
of the lunar cycle?
2. What are the eight moon phases of the lunar
3. What do the terms waxing and waning mean?
4. What does the term a quarter moon mean?
5. What is a meant by the terms a full moon and a
new moon? Key Concepts Key Concept 1:
The Sun illuminates the Moon’s surface in a predictable pattern called the lunar cycle. Key Concept 2:
The lunar cycle has 8 phases: waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent and new moon. Key Concept 3:
Waxing is the process of the Moon appearing to “grow.” Waning is the Moon appearing to “shrink.” Key Concept 4:
Quarter moons occur when only ¼ of the Moon is illuminated, appearing in the sky as a half circle. Key Concept 5:
A full Moon occurs when half of the Moon’s face is fully illuminated, appearing like a full circle. A new Moon occurs when no light from the Sun is reflected on on the half of the Moon visible to us on Earth. e. The key phases of the
Full, Crescent, Quarter and New.
f. If the light is increasing, the Moon
is said to be waxing. Decreasing light is referred to as waning. Moon Phases… Moon Phases… c. The differing amounts
of light we view are
d. The phases of the Moon change
gradually over 29.5 days. a. The Moon shines because sunlight
is reflected off its surface.
b. Because the Sun’s light strikes the Moon at different angles,
and our position changes, the light we can see reflected from the Moon increases and decreases. Moon Phases… c. Because the Moon’s rotation and revolution
times are so close, the Moon appears to us on Earth to always show the same side. We never get to view the far side from Earth. Rotation & Revolution of the Moon… a. The Moon rotates on its axis
once every 29.5 days.
b. The moon revolves around
the Earth once every 27.3 days. Rotation & Revolution of the Moon… TEKS 8.7B
demonstrate and predict the
sequence of events in the lunar cycle Moon Phase Notes Lets do some table activities Moon Rap?