Across
- 2. The world's largest rainforest
- 4. Fastest planet to orbit the Sun
- 5. Triangle Mysterious region where ships and planes have allegedly vanished
- 8. Inventor of the printing press
- 9. Space telescope that helped expand our understanding of the universe
- 11. International sporting event held every four years
- 13. Composer of Fur Elise and Symphony No. 9
- 16. Natural feature that erupts molten rock
- 18. Legendary Greek hero known for his twelve labors
- 19. Picchu Incan city built high in the Andes Mountains
- 20. Vinci Renaissance artist and inventor who painted Mona Lisa
- 24. Space shuttle that tragically exploded in 1986
- 26. Pioneers of aviation who built and flew the first airplane
- 27. Process by which plants convert sunlight into energy
- 29. Classic arcade game featuring a yellow character eating dots
- 31. Scientist who formulated the laws of motion
- 33. Stone Artifact that helped decode Egyptian hieroglyphs
- 34. Roman goddess of love and beauty
- 36. Scientific theory explaining the origin of the universe
- 38. Capital of the United States
- 39. NASA program that landed humans on the Moon
- 41. Lizard known for its ability to change color
- 43. Mythological Titan who held up the sky
- 44. Largest planet in the solar system
Down
- 1. Genetic material in all living organisms
- 3. Sculptor of David and painter of the Sistine Chapel ceiling
- 6. Everest The highest mountain in the world
- 7. Dwarf planet formerly classified as the ninth planet
- 10. Planet known for its deep blue color
- 12. Monument featuring four U.S. presidents
- 14. Engineer and inventor known for his work with electricity
- 15. Ancient structures built by the Egyptians
- 17. Wall Massive fortification built to protect China
- 19. Planet known as the Red Planet
- 21. Natural light display in the Earth's sky, seen in polar regions
- 22. Force that attracts objects toward each other
- 23. Famous ship that sank in 1912
- 24. Last active ruler of Egypt's Ptolemaic dynasty
- 25. Physicist known for the theory of relativity
- 28. Ancient citadel located in Athens
- 30. Greek god of the sea
- 32. Large ocean wave caused by an underwater earthquake
- 35. Painter known for his Impressionist works
- 37. French leader exiled to Elba
- 40. Playwright who wrote Hamlet and Macbeth
- 42. Tower Famous Parisian landmark