Across
- 7. The fourth planet from the Sun
- 10. Water that falls from clouds
- 11. A famous ancient Egyptian structure
- 15. A famous rainforest and river
- 16. A large body of salt water
- 18. The star at the center of our solar system
- 19. The largest land animal
- 20. A very hard precious stone
- 21. A large striped wild cat
- 23. The organ responsible for thought and memory
- 24. A gas humans need to breathe
Down
- 1. A place where books are kept
- 2. The highest mountain above sea level
- 3. A mountain that can erupt
- 4. The largest planet in our solar system
- 5. A musical instrument with strings
- 6. A yellow fruit
- 8. A place where students learn
- 9. A colorful arc seen after rain
- 11. A flightless bird that lives in cold regions
- 12. A device used to take photographs
- 13. An instrument used for writing or drawing
- 14. Capital city of Egypt
- 17. A country famous for its ancient pyramids
- 22. Famous physicist associated with relativity