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Sect 9.2
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Sect 9.2


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  • 1. 6 th Grade Science Chapter 9 Sun-Earth-Moon System Notes Section 9.2
  • 2.
    • If the Moon rotates on its axis why can’t we see the back side of the moon?
    • The moon takes 29.5 days to make one rotation on its axis. The moon takes 29.5 days to make one revolution around the Earth.
    • What is the Moon’s most obvious effect on Earth?
    • The Moon’s most obvious effect on Earth is the ocean tides.
    Key Questions 1 The Tadpole Galaxy
  • 3.  
  • 4. Synchronous rotation of the moon
  • 5. The far hemisphere was first photographed by the Soviet Luna 3 probe in 1959, and was first directly observed by human eyes when the Apollo 8 mission orbited the Moon in 1968.
  • 6.  
  • 7. Bay of Fundy - Canada
  • 8.
    • What is a new Moon?
    • A new Moon is when the Moon is between the Earth and the Sun. The Moon is dark and rises and sets with the Sun.
    • What is a full Moon?
    • A full Moon is when the Earth is between the Moon and the Sun. The Moon is completely bright and rises when the Sun sets.
    Key Questions 2 The Sombrero Galaxy
  • 9.  
  • 10. Full Moon Rising
  • 11.
    • What are the phases of the Moon?
    • New, Waxing crescent, 1 st quarter, Waxing gibbous, Full, Waning gibbous, 3 rd quarter, Waning crescent.
    • What causes an eclipse to occur?
    • Eclipses occur when Earth or the Moon temporarily blocks the sunlight from reaching the other- Solar Eclipse and Lunar Eclipse.
    Key Questions 3
  • 12.  
  • 13.  
  • 14.  
  • 15.  
  • 16.
    • What is an umbra and prenumbra?
    • The umbra is the darkest part of the moon’s shadow. The prenumbra is a lighter part of the moon’s shadow.
    • What are the Moon’s surface features?
    • The Moon has craters from impacts with meteorites. It also has dark, flat regions called maria formed from igneous rock.
    Key Questions 4
  • 17.  
  • 18.  
  • 19. Project Apollo
  • 20.
    • Explain how the Sun, Moon, and Earth are positioned relative to each other during a new moon and how this alignment changes to produce a full moon.
    • Describe what phase the Moon must be in to have a lunar eclipse. A solar eclipse.
    • Define the terms umbra and penumbra and explain how they relate to eclipses.
    • Explain why lunar eclipses are more common than solar eclipses and why so few people ever have a chance to view a total solar eclipse.
    • What do the surface features and their distribution on the Moon’s surface tell you about its history?
    Questions Section 9.2