Phases of the moon (Appendix B) Now we’ll come back closer to home--- our solar system, starting from Earth, Sun and Moon. Bring your notecards on Thursday.
Moon phases are caused by __ A. The Earth’s shadow B. The Sun’s shadow C. The shadows of other planets D. Clouds covering part of the moon E. None of the above
Phases: What they look like New Moon During each “lunar month” of 29.5 days, the Moon changes its appearance.
Phases: What they look like Waxing Crescent
Phases: What they look like First Quarter
Phases: What they look like Waxing Gibbous
Phases: What they look like Full Moon
Phases: What they look like Waning Gibbous
Phases: What they look like Third Quarter
Phases: What they look like Waning Crescent
Phases: What they look like New Moon again!
The moon orbits us How long does this take? About 29.5 days!
Wikipedia
How does this picture change in one day? The Moon rises and sets. Its appearance (phase) remains the same.
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
Example What time is it? E W
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
Example What time is it? E W
Example What time is it? E W
Example What time is it? E W
What about outside??? (facing south) East West
The Sun and moon appear to move clockwise across the sky East West
Put these pictures together… E W EastWest Sunrise
Put these pictures together… E W EastWest Noon
Put these pictures together… E W EastWest Sunset
Example What time is it? How does the moon look? E W
Outside The moon is overhead at noon It rose around 6 am It will set around 6 pm East West
6 hours later What time is it? How does the moon look? E W
Outside It rose around 6 am The moon is overhead at noon It will set around 6 pm East West
Example What time is it? How does the moon look? E W
Outside The moon is overhead at 6 pm It rose around noon It will set around midnight East West
Example What time is it? How does the moon look? E W
Outside It will set around 6 am It rose around 6 pm The moon is overhead at midnight East West
Example What time is it? How does the moon look? E W
Outside It rose around 9 pm The moon is overhead at 3 am It will set around 9 am East West
On this day, what time does the moon rise? A. 9 am B. 3 pm C. 3 am D. 9 pm E. 6 pm
Team activity # 16 Moon phases