Across
- 3. The smallest country in the world. (7)
- 4. The chemical element with the symbol 'O'. (6)
- 6. The process by which plants make their food. (14)
- 8. The freezing point of water in degrees celsius (4)
- 9. The capital city of France. (6)
- 10. The capital of Australia (8)
- 11. The largest planet in our solar system. (7)
Down
- 1. The hardest natural substance on Earth (7)
- 2. The author of Romeo and Juliet. (10)
- 5. The largest mammal in the world (5)
- 7. The number of continents on Earth. (6)
- 9. The largest ocean in the world. (7)