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Properties of the Moon and how it moves

Properties of the Moon and how it moves. Butler Middle School 8th Grade Science Bob, Paul, Ms. Adams, Nov 14, 2012 8th Grade Science. Visiting the Moon. There have been many visits to the moon from earth Most famous occurred between 1969-1972

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Properties of the Moon and how it moves

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  1. Properties of the Moon and how it moves Butler Middle School 8th Grade Science Bob, Paul, Ms. Adams, Nov 14, 2012 8th Grade Science

  2. Visiting the Moon • There have been many visits to the moon from earth • Most famous occurred between 1969-1972 • During this time there were 6 successful missions in which humans explored the surface and safely returned to earth • Also, during the past 50-60 years there have been many un-manned, data collection missions

  3. Moon compared to Earth Diameter of earth = 4 x diameter of moon (8000 miles) (2000 miles) Earth is about 86 x more massive than the moon Gravity on moon is 1/6 of earths gravity 60 pound dog on earth would weigh 10 pounds on moon

  4. Moon compared to Earth (cont.) • Moon is 240,000 miles from Earth • Moon has no atmosphere • Water was discovered on moon recently • Scientists believe some primitive life forms may lie beneath the surface

  5. Moon compared to Earth (cont.) • Moon is very hot in sun, very cold in shade • Water would quickly boil in sun and quickly freeze in shade • Like the earth, the moon is illuminated by the sun • we see the moon because of reflected sun light • Moon’s Surface is solid and dusty • many craters caused by the impact of meteoroids • mountains and highlands • low areas which are dark, called maria (Latin for seas)

  6. The moon’s surface looks desolate and lifeless

  7. Motion of the Moon • Moon revolves around the earth • Once per 27.3 days • Moon rotates slowly on its axis every 27.3 days • Therefore, we only see one side of the moon from earth

  8. Motion of Moon and Earthorbital plane of moon is tilted 5º from earth’s orbital plane

  9. Earth and Moon from 4,000,000 miles(Where is the sun?)

  10. Earth and Moon from 31,000,000 milesThis amazing sequence of photos shows rotation of earth and motion of moon around earth 1 2 3 4

  11. Abe and George Experiment Abe always looks at George as he revolves around him For 1 rev around George, how many complete rotations does Abe make? In this model, what do the penny and quarter represent?

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