Geography, Science, and Civics Crossword Challenge

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Across
  1. 3. What is the capital city of Brazil?
  2. 4. What is the largest planet in our solar system?
  3. 8. What is the main language spoken in Brazil?
  4. 10. What is the supreme law of the land?
  5. 12. What is the largest country in the world by land area?
  6. 14. What ship brought the Pilgrims to America in 1620?
  7. 19. What is the largest U.S. state by area?
  8. 20. What country is Hawaii part of?
  9. 21. What is the largest ocean on Earth?
  10. 22. Who appoints federal judges?
  11. 24. What is the capital of Canada?
  12. 27. What is the longest river in the world?
  13. 29. What is the hardest natural substance on Earth?
  14. 30. What is the freezing point of water in degrees Celsius?
  15. 31. What country gifted the Statue of Liberty to the United States?
  16. 33. What is the smallest continent?
  17. 34. What is the only U.S. state that starts with the letter L?
  18. 36. What is the capital of France?
  19. 37. What is the largest mammal on Earth?
  20. 38. What continent do we live in?
Down
  1. 1. What process do plants use to make food from sunlight?
  2. 2. What gas do plants absorb from the air?
  3. 5. What is the tallest mountain in the world?
  4. 6. What is another word for 1,000 years?
  5. 7. What country is south of the United States?
  6. 9. What continent is Japan in?
  7. 11. What continent is Egypt in?
  8. 13. What ocean is on the east coast of the United States?
  9. 15. What is the capital of the United States?
  10. 16. How many states are in the United States?
  11. 17. What is the only U.S. state that ends with the letter K?
  12. 18. What is the largest continent?
  13. 23. What is the capital of Japan?
  14. 25. What desert covers much of northern Africa?
  15. 26. What planet do we live on?
  16. 28. Which branch of government makes laws?
  17. 29. What is the currency used in the United States?
  18. 32. What line divides Earth into the Northern and Southern Hemispheres?
  19. 35. What are the first ten amendments to the Constitution called?