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Phases of the moon Appendix B

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Clouds covering part of the moon. None of the above. Phases: What they look like. New Moon. During each 'lunar month' of 29.5 days, the Moon changes its appearance. ... – PowerPoint PPT presentation

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Title: Phases of the moon Appendix B


1
Phases of the moon (Appendix B)
  • Now well come back closer to home--- our solar
    system, starting from Earth, Sun and Moon.
  • Bring your notecards on Thursday.

2
Moon phases are caused by __
  • The Earths shadow
  • The Suns shadow
  • The shadows of other planets
  • Clouds covering part of the moon
  • None of the above

3
Phases What they look like
During each lunar month of 29.5 days, the Moon
changes its appearance.
New Moon
4
Phases What they look like
Waxing Crescent
5
Phases What they look like
First Quarter
6
Phases What they look like
Waxing Gibbous
7
Phases What they look like
Full Moon
8
Phases What they look like
Waning Gibbous
9
Phases What they look like
Third Quarter
10
Phases What they look like
Waning Crescent
11
Phases What they look like
New Moon again!
12
The moon orbits us
How long does this take?
About 29.5 days!
13
Wikipedia
14
How does this picture change in one day?
The Moon rises and sets. Its appearance
(phase) remains the same.
15
How to determine rise and set times of the moon
  • 1. When is the moon overhead (rather, its
    highest point in the sky)?
  • 2. What time of day is it? (Where is the Sun?)
  • It rose about 6 hours earlier
  • It will set about 6 hours later

16
Example
E W
What time is it?
17
What about the phase?
  • The moon is always half lit and half dark
  • But it does not look like that to us
  • Think about what we see in the sky

18
Example
E W
What time is it?
19
Example
What time is it?
20
Example
What time is it?
21
What about outside??? (facing south)
East West
22
The Sun and moon appear to move clockwise across
the sky
East West
23
Put these pictures together…
Sunrise
East
West
24
Put these pictures together…
Noon
East
West
25
Put these pictures together…
Sunset
East
West
26
Example
What time is it?
How does the moon look?
27
Outside
  • The moon is overhead at noon
  • It rose around 6 am
  • It will set around 6 pm

East West
28
6 hours later
What time is it?
How does the moon look?
29
Outside
  • It rose around 6 am
  • The moon is overhead at noon
  • It will set around 6 pm

East West
30
Example
What time is it?
How does the moon look?
31
Outside
  • The moon is overhead at 6 pm
  • It rose around noon
  • It will set around midnight

East West
32
Example
What time is it?
How does the moon look?
33
Outside
  • It will set around 6 am
  • It rose around 6 pm
  • The moon is overhead at midnight

East West
34
Example
What time is it?
How does the moon look?
35
Outside
  • It rose around 9 pm
  • The moon is overhead at 3 am
  • It will set around 9 am

East West
36
On this day, what time does the moon rise?
  • 9 am
  • 3 pm
  • 3 am
  • 9 pm
  • 6 pm

37
Team activity 16
  • Moon phases
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