Across
- 1. The smallest unit of a digital image
- 2. The famous painting by Leonardo da Vinci
- 6. The canal connecting the Mediterranean and Red Seas
- 10. The country containing the Great Pyramids
- 11. The hardest natural substance
- 14. The English playwright who wrote Hamlet
- 15. The astronomer who first used a telescope
- 18. The chemical element with the symbol Na
- 19. The capital city of Texas
- 20. The Italian city known for its canals
Down
- 1. The process plants use to convert light into food
- 3. The speed of which is approximately 186282 miles per second
- 4. The number of continents on Earth
- 5. The eighth planet from the sun
- 7. The primary color opposite green
- 8. The largest ocean in the world
- 9. The highest mountain in Africa
- 12. The first president of the United States
- 13. The longest river in South America
- 16. The largest planet in our solar system
- 17. The largest animal on Earth