The Knowledge Grid

1234567891011121314151617181920
Across
  1. 3. Largest ocean on Earth
  2. 8. Planet famous for its rings
  3. 9. Instrument used to measure temperature
  4. 11. Capital city of France
  5. 15. Place where books are studied or borrowed
  6. 16. Longest river in Africa
  7. 17. Major mountain range in Asia
  8. 18. System of government ruled by the people
  9. 20. Precious yellow metal
Down
  1. 1. Fastest land animal
  2. 2. Scientist who developed the theory of relativity
  3. 4. Largest planet in our solar system
  4. 5. Playwright who wrote Romeo and Juliet
  5. 6. Planet known as the Red Planet
  6. 7. Continent that is also a country
  7. 10. Highest mountain in the world
  8. 12. Second largest continent in the world
  9. 13. Ancient Egyptian triangular structure
  10. 14. World’s largest rainforest
  11. 18. Hardest natural substance
  12. 19. Mountain that erupts lava