Across
- 3. It gives us light and heat during the day
- 4. It cleanses the air
- 5. It burns
- 7. It's very hard and usually grey
- 8. They can walk, some can fly and others can swim
Down
- 1. They only insect, that humans find beautiful
- 2. 70% of your body it's composed by it
- 6. You find it in the field, it's green
- 9. You can see it at night in the sky