Crossword
3. A famous tower in Paris (6)
6. The first month of the year (7)
7. The chemical symbol for gold (2)
8. The author of the Harry Potter books (7)
9. The hardest natural substance on Earth (7)
10. The process plants use to make food using sunlight (14)
13. The gas humans breathe in to survive (6)
14. The organ that pumps blood around the body (5)
16. A shape with eight sides (7)
17. The longest river in the world, often associated with Egypt (4)
18. The smallest prime number (3)
1. The largest mammal in the world (4,5)
2. The main language spoken inBrazil (10)
4. The red planet in our solar system (4)
5. A scientist who studies stars and planets (10)
6. The largest planet in our solar system (7)
11. The instrument used to measure temperature (11)
12. The number of continents on Earth (5)
15. The capital city of Japan (5)
