Earth in Space Lessons 1-10

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Across
  1. 5. Earth's _______________ is the cause of color changes in the sky
  2. 6. People like the Mayans and Ancient Scotland used moon phases as a sort of ______________, to keep track of time/dates
  3. 8. The scientific name for the North Star
  4. 10. There are ____________ moon phases
  5. 11. When moonlight is increasing on the surface of the moon
  6. 12. When moonlight is decreasing on the surface of the moon
  7. 14. The Sun sets in the ___________
  8. 15. Atmosphere: The envelope of __________ surrounding the earth
  9. 17. The moon’s tilt is ____________ degrees compared to Earth's
  10. 18. The moon lights up because of the ______
  11. 19. The color changes in the sky are due to factors in the atmosphere like dust, clouds, ____________, etc.
  12. 20. ________________Eclipse: an eclipse in which the sun is obscured by the moon
  13. 22. The Moon is __________ during a lunar eclipse
Down
  1. 1. The moon’s orbit is not circular, it’s what we call an _________________ shape. Like an oval
  2. 2. a phenomenon occurring just before and after the summer solstice, in which the sun sets in alignment with the streets that run east to west on Manhattan's street grid
  3. 3. When it is midday (noon), the Sun’s light has ______________ atmosphere to travel through
  4. 4. _______________ Eclipse: an eclipse in which the moon appears darkened as it passes into the earth's shadow
  5. 7. The moon turns a _______ color during a lunar eclipse
  6. 9. The longest/shortest days of the year are called the _____________________
  7. 13. Solar ________________ causes differences in the intensity of light reaching Earth’s surface throughout the year
  8. 16. Earth’s atmosphere is ____________ miles thick
  9. 21. Unlike sound, __________ can travel through empty space