Across
- 5. ANYTHING THAT HAS MASS AND OCCUPIES SPACE
- 6. A GAS USED TO BREATHE
- 7. IT HAS NO SHAPE AND VOLUME
- 9. A LAYER OF GAS THAT PROTECTS FROM UV RAYS
- 10. IT TAKES THE SHAPE OF THE CONTAINER
Down
- 1. BUILDING UNIT OF MATTER
- 2. 78% OF AIR
- 3. A LIQUID
- 4. A SOLID
- 8. A SUBSTANCE WITH DEFINITE SHAPE AND VOLUME