Across
- 1. First meal of the day
- 5. Type of government where people vote for their leaders
- 8. Hottest planet in our solar system
- 9. Large area of land covered mostly with trees
- 10. The country where the famous pyramids of Giza are located
- 11. Chemical symbol for water
- 12. Imaginary line around the middle of the Earth
- 13. Season after summer and before winter
- 15. Animal known as the "king of the jungle"
- 16. The force that pulls objects towards the Earth
- 17. The class of animal dolphins belong to
- 18. Very large, bright star
- 20. Gas that plants absorb from the air
Down
- 2. Instrument used to see faraway objects
- 3. Opposite of east
- 4. Liquid that makes up most of our bodies
- 6. Continent located south of West Europe
- 7. Mona Lisa's painter
- 14. Reptile with a hard shell
- 19. Earth's natural satellite