Science puzzle

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