Earth + Space Vocabulary

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Across
  1. 2. The path an object, such as a planet, takes as it revolves around another object.
  2. 6. Each of the four divisions of the year marked by particular weather patterns and daylight hours.
  3. 9. The reflected light is increasing on the moon's surface, but less than half is visible from Earth.
  4. 10. The process of turning or spinning on an axis.
  5. 13. The appearance of phases of the moon as viewed from Earth, as the moon orbits the Earth.
  6. 15. The type of tide that occurs when ocean water is at its highest level during the day.
  7. 16. No reflected light from the sun is visible on Earth.
  8. 17. The type of tide that occurs when ocean water is at its lowest level during the day.
  9. 19. The partial or total blocking of light of one object (sun or moon) by another.
  10. 20. Marks the longest day of the year (most sunlight); generally occurs around June 21-22 in the northern hemisphere
  11. 22. The action of one object moving completely around in an orbital path.
  12. 23. The rising and falling of the ocean's surface.
  13. 24. A tide in which the difference between high and low tide is the least.
  14. 25. The type of eclipse that occurs when the moon passes between the sun and Earth.
  15. 27. The reflected light is decreasing on the moon's surface, but more than half is still visible from Earth.
  16. 28. An increasing amount of visible light on the moon's surface.
Down
  1. 1. Only the right half of the moon is visible from Earth.
  2. 3. An imaginary line that runs through both poles of a planet.
  3. 4. The type of eclipse that occurs when the moon appears darkened as it passes into Earth's shadow.
  4. 5. An imaginary line drawn around Earth that divides it into two halves - the northern hemisphere and southern hemisphere.
  5. 7. A day that marks equal day and night; generally occurs around March 21-22 in the northern hemisphere.
  6. 8. Marks the shortest day of the year (least sunlight); generally occurs around December 21-22 in the northern hemisphere.
  7. 9. The reflected light is decreasing on the moon's surface and less than half is visible from Earth.
  8. 11. The moon's surface is completely visible from Earth.
  9. 12. A day that marks equal day and night; generally occurs around September 22-23 in the northern hemisphere.
  10. 14. Only the left half of the moon is visible from Earth.
  11. 18. A tide in which the difference between high and low tide is the greatest.
  12. 21. The reflected light is increasing on the moon's surface and more than half is visible from Earth.
  13. 26. A decreasing amount of visible light on the moon's surface.