Ch. 2 Lesson 1: Planet Earth pg. 42-51

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Across
  1. 7. rain, snow, hail, sleet, or mist
  2. 9. average weather conditions in an area
  3. 10. rocky shell forming the surface of the Earth
  4. 11. region of reduced rainfall on one side of a high mountain
  5. 15. is one of two days of the year when the sun reaches its northernmost or southernmost point
  6. 16. 78% of Earth's atmosphere is made up of this gas
Down
  1. 1. thin layer of gases that envelops Earth
  2. 2. complete trip around the sun in 365 1/4 days
  3. 3. this sphere holds Earth's water
  4. 4. when day and night in both hemispheres is equal length
  5. 5. thick layer of hot, dense rock
  6. 6. melted rock
  7. 8. all people, animals, and plants live in this sphere
  8. 12. imaginary line that runs through Earth's center from the North Pole to the South Pole
  9. 13. move around
  10. 14. center of Earth