Science - Earth Space Sciences

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Across
  1. 3. The path planets follow around the Sun
  2. 6. The hottest, innermost part of Earth
  3. 9. A smaller quake that follows the main earthquake
  4. 11. Large system of stars, gas, and dust
  5. 13. The point on Earth’s surface directly above an earthquake
  6. 14. The biggest planet in orbit of the Sun
  7. 16. The force that keeps planets in orbit around the Sun
  8. 18. The outermost layer of the Earth
  9. 20. The layer of gases around Earth
  10. 24. Imaginary line through the center of Earth
  11. 26. Type of boundary where plates move toward each other
  12. 27. Boundary where plates slide past each other horizontally
  13. 28. The rigid outer part of Earth, made of crust and upper mantle
  14. 30. The planet closest to the Sun
  15. 32. Our natural satellite
  16. 33. The red planet, and the planet NASA visits most
Down
  1. 1. Type of boundary where plates move apart
  2. 2. Type of plate whose movement causes earthquakes
  3. 4. Time taken for Earth to complete one rotation
  4. 5. A large ocean wave caused by an underwater earthquake or volcanic eruption
  5. 7. A fracture in Earth's crust where movement has occurred
  6. 8. A planet known for its rings
  7. 10. Large explosion marking the end of a massive star's life
  8. 12. Atmospheric layer where the ozone layer is found
  9. 15. A spinning motion of a planet on its axis
  10. 17. Process that causes day and night
  11. 19. Process where one plate slides beneath another
  12. 21. Movement of Earth around the Sun
  13. 22. The thick layer between Earth’s crust and core
  14. 23. Instrument that detects and records earthquakes
  15. 24. Small, rocky body orbiting the Sun, mostly in the asteroid belt
  16. 25. The star at the center of our solar system
  17. 29. Season experienced in Australia during December
  18. 31. Currents in the mantle that drive plate movement
  19. 33. Molten rock that rises at divergent boundaries