Chapter One

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Across
  1. 5. A line that connects all points of the same latitude
  2. 6. One full _______ of the Earth dictates the length of one day
  3. 8. The environmental sphere containing water
  4. 12. Imaginary lines extending from pole to pole
  5. 13. The environmental sphere containing rocks and minerals
  6. 14. One __________ of the Earth around the sun marks a year
  7. 15. The environmental sphere containing living things
Down
  1. 1. A type of planet with a small, dense core surrounded by a large layer of gas
  2. 2. The ___________ of the Earth's axis is the degree at which the Earth tilts
  3. 3. Lines that measure the angle north to south of the equator
  4. 4. The environmental sphere containing gasses and air
  5. 7. A type of planet with a thin atmosphere around a large, rocky body
  6. 9. Lines that measure the angle east to west of the
  7. 10. The day of the year when the Earth is closest to the sun
  8. 11. The environmental sphere containing ice