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Moon phases Eclipses (Section 2.3 in textbook)

Moon phases Eclipses (Section 2.3 in textbook)

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Moon phases Eclipses (Section 2.3 in textbook)

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  1. Moon phasesEclipses(Section 2.3 in textbook)

  2. Goals & Outcomes • Appreciating science in general, and astronomy in specific. • Developing a working knowledge of the scientific method and how to apply it to real world situations. • Critically analyzing and evaluating information, scientific or otherwise • Diagram the positions of the Sun, the Earth, and the Moon during solar and lunar eclipses. • Predict the phase of the Moon that would be seen in the sky, given the positions of the Earth, the Sun, the Moon, and the observer.

  3. Overarching questions • What are the names of the Moon’s phases? • What causes these phases? • What causes eclipses? What does the Moon look like during eclipses? • Telling time & direction from the Moon. • Are there phases on other worlds?

  4. Moon’s orbit • Moon’s size = • Earth’s size = • Moon’s orbit distance = • Inclination of the orbit = • From California Science Standards, grade 3 • Students knowthe way in which the Moon's appearance changes during the four-week lunar cycle.

  5. Phases & names – see page 43

  6. Moon phase today • Which direction is the Sun right now? • Where is the Earth’s shadow? • What is the phase of the Moon today? • Go outside with golf ball and see phase of golfball today.

  7. Ping Pong demo – phases part 1 • Using: • the light bulb as the Sun • Ping pong ball as Moon. • If brand name appears = near side. • YOU as ENTIRE Earth • Picture on textbook p. 43 will help with visual aid. • Create new Moon. • Create waxing crescent • Look at Lecture Tutorial workbook on page 79, #1. Which phase is that? Answer the question. 1 minute.

  8. Question 1 on page 79 of workbook. • A • B • C • D • E

  9. Ping Pong demo – phases part 2 • Review: • make a new moon. • Waxing crescent • Other phases: • First quarter … follow teacher prompt through all phases. • Lecture tutorial, pages 79-80. Do remaining questions. 10 minutes.

  10. Ping Pong demo – phases part 3 • Demonstrate starting at one new moon and going through a cycle to the next new moon. • How long does it take to do that? • How long does it take to go new -> 1st quarter? • How long from 1st quarter to full? • How long from waxing crescent to waning crescent?

  11. How long between 1st quarter and full moon? • 1 day • 1 week • 2 weeks • 3 weeks • 1 moonth

  12. How long from waxing crescent to waning crescent? • 1 day • 1 week • 2 weeks • 3 weeks • 1 moonth

  13. Today the Moon is one day after Full Moon. What will it be tomorrow? • New • Wax crescent • 1st quarter • Wax gib • Full • Wan gib • 3rd qtr • Wan cresc.

  14. Sun stuff • Review Sun directions at various times. • Sunrise: time = _________, direction _____ • Sunset: time = __________, direction _____ • Middle of day: time = ________, Sun direction __ • _______________________________________ • Lecture tutorial, pages 83-85. 12 minutes.

  15. Ping Pong demo – eclipses • What is a total lunar eclipse? What phase is the Moon? Is it always that phase? • What is a total solar eclipse? What phase is the Moon? Is it always that phase? • Eclipses discussed in textbook, pages 45-49

  16. Facing the Moon, finding the Sun • Which direction would you have to turn to see the Sun if you saw these pictures: • 1. How much would you turn? • 2. How much would you turn? • 3. How much would you turn? • 4. How much would you turn? • Lecture tutorial, pages 83-85.

  17. What you should be able to do Given a picture of the Moon, name of phase or eclipse, complete all of the following: • Draw picture and name each phase • How much of the Moon is lit, and how much of the lit part we see? Why is the dark part not lit? • If facing the Moon at any phase, which way (right/left/behind) do you turn to face the Sun? Name direction (NSEW) • Approximate time, based on the Moon’s phase and location in the sky

  18. Clicker questions coming My advice: • Take out some notebook paper. • I will fill in the blanks on the board. Copy info down. • Write your guess someplace off to the side so you can cover up your answer when you study your notes • Write the correct answer in another place you can cover up, NOT immediately next to your first guess. • This will make it hard for you to peek at the right answer when studying your notes

  19. What time is it when the moon is ____ and located in the ___ sky. • 6am • Noon • 6pm • midnight

  20. What Moon phase rises at 6pm • New • 1st quarter • Full • 3rd quarter • All of them

  21. If the Moon is _____ what will it look like one week later? • New • Waxing crescent • 1st q. • Waxing gibbous • Full • Waning gib • 3rd q • Waning crescent

  22. What time is it when the moon is ____ and located in the ___ sky. • 3am • 9am • 3pm • 9pm

  23. 2. 4. 3. 1. Which one would appear closer to the Sun? • Some pictures • FIX THIS SLIDE • Picture Choice 3 • Picture Choice 4

  24. What time is it when the Moon is _____ and in the ____ • Midnight • 3am • 6am • 9am • Noon • 3pm • 6pm • 9pm

  25. Where is the ____ moon at ____? • East • South • West • North (below ground)

  26. Can you see a waxing crescent during daytime? • Yes • No

  27. Can planets show phases? • Yes • No

  28. Could the first quarter Saturn picture in this classroom be taken from Earth? • Yes • No