Across
- 2. 50 in words is ...
- 4. The Earth also gives us ... trees to enjoy
- 8. This is the symbol of ...
- 9. We can help the Earth by ... a tree
- 10. 37 in words is thirty ...
Down
- 1. 30 in words is ...
- 3. Twelve plus twelve equals ... two
- 5. 45 in words is ... five
- 6. This is ... energy
- 7. The Earth gives us ... air to breathe