Across
- 4. This invention, created by Johannes Gutenberg, changed the spread of knowledge forever.
- 5. The only planet in our solar system known to support life.
- 7. The gas humans need in order to breathe.
- 8. The author of Romeo and Juliet.
- 10. This ocean lies between Africa, Asia, and Australia
- 13. The natural satellite that orbits the Earth.
- 14. This country is famous for pizza, pasta, and the city of Rome.
- 15. The largest mammal in the world.
- 17. This desert covers much of North Africa.
- 19. This famous ship sank on its first voyage in 1912.
Down
- 1. This instrument is used to measure temperature.
- 2. This country is both in Europe and Asia and is famous for the city of Istanbul.
- 3. The ancient civilization known for pharaohs and pyramids.
- 4. The process by which plants make food using sunlight.
- 6. The scientist who proposed the theory of relativity.
- 9. The hardest natural substance found on Earth.
- 11. The scientist whose name is linked to the law of gravity.
- 12. This famous structure in Paris was built for the 1889 World’s Fair.
- 16. This line divides the Earth into the Northern and Southern Hemispheres.
- 18. The continent with the most countries.