Earth Science - Crossword puzzle (CG)

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Across
  1. 2. It is the movement of the Earth on its axis.
  2. 4. Shaking of Earth due to rapid release of energy.
  3. 6. What is the tallest mountain on Earth?
  4. 7. Earth's largest living structure.
  5. 9. An arid region characterized by extremely high or low temperatures and has scarce vegetation.
  6. 11. What is the main component of the Earth’s atmosphere?
  7. 13. It refers to the path of the Earth when it revolves around the Sun.
  8. 16. It is the direction of the Earth while revolving around the Sun.
  9. 17. It is an imaginary line describing Earth's tilt.
  10. 18. Which country has the largest population?
  11. 19. Great division of land on the globe.
Down
  1. 1. Which Earth subsystem is involved in the biotic factors?
  2. 3. How long does it take the Earth to spin once on its axis?
  3. 5. is the second smallest continent in size but the third largest in population.
  4. 8. Home to the largest ice sheet on Earth.
  5. 10. It refers to the movement of the Earth around the Sun.
  6. 12. How many planets are between the sun and the earth?
  7. 14. The whole body of saltwater that covers three fourths of Earth’s surface.
  8. 15. What percentage of Earth’s surface is covered with water?
  9. 20. It is the shape of an orbit.​