Science puzzle

Edit Answers
1234567891011121314151617181920
Across
  1. 1. the South Pole
  2. 4. a wind that blows from the land to the sea
  3. 5. which hot material rises while cold material sinks.
  4. 7. an imaginary horizontal line around the middle of Earth.
  5. 9. 90° angle
  6. 10. the time at which the Moon disappears below the
  7. 12. transfer of heat through movement of a fluid
  8. 13. the northernmost point on Earth.
  9. 14. horizon
  10. 15. current the circular motion of a fluid (such as air)
  11. 18. the appearance of the Moon, as seen by an
  12. 19. an imaginary line through the center of Earth that connects the North Pole
  13. 20. the line along which the sky appears to meet the
Down
  1. 2. on Earth
  2. 3. that strikes Earth’s surface at close to
  3. 4. a wind that blows from the land to the sea
  4. 6. or sea
  5. 8. hemisphere the half of Earth north of the equator
  6. 11. change from a gas to a liquid
  7. 16. the time at which the Moon appears above the
  8. 17. horizon