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Nasa's Tour of the Moon

19-4 Earth’s Moon (pages 680–683) 1. Describe features found on the moon’s surface. 2. Identify some characteristics of the moon. 3. Explain how the moon formed. Nasa's Tour of the Moon. The Moon’s Surface (page 681) 1. Describe features found on the moon’s surface.

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Nasa's Tour of the Moon

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  1. 19-4Earth’sMoon(pages680–683)1. Describe features found on the moon’s surface.2. Identify some characteristics of the moon.3. Explain how the moon formed.

  2. Nasa's Tour of the Moon

  3. TheMoon’sSurface (page681)1. Describe features found on the moon’s surface. KeyConcept:Featuresonthemoon’ssurfaceincludemaria,craters,and highlands.

  4. Atelescopemakesfaraway objects appear closer.

  5. The moon’ssurface has dark, flat areas calledmaria(MAHreeuh).Mariaare flatareas ofhardened rock.

  6. Cratersarelarge,roundpitsonthemoon.Craterswerecaused when meteoroids crashed into the moon.Ameteoroidis a chunk of rock or dust from space.

  7. Highlands are mountains that cover most of the moon’ssurface.

  8. telescope

  9. CharacteristicsoftheMoon (page682) KeyConcept:Themoonisdryandairless.ComparedtoEarth,themoonissmallandhaslargevariationsinits surface temperature.

  10. There is no air on the moon.The moon has no atmosphere.

  11. The moon is about one-fourth the diameter of Earth.

  12. Temperatures on the moon range from very hot to very cold.

  13. The moon has no liquid water.

  14. cold

  15. TheOriginoftheMoon(page683) KeyConcept:Scientiststheorizethataplanet-sizedobject collided with Earth to form the moon.

  16. Origins of the Moon

  17. Very long ago, big rocksweremoving around in space.

  18. Scientists think that one of these big rocksmayhavecrashed into Earth.Material from Earthbrokeoff.Thebroken off portion of Earth became the moon.

  19. Answer:The moon mayhaveformed when a big rockcrashedinto Earth

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