Across
- 2. Litmus turns red
- 3. switzerland in WW2
- 6. like rocks
- 8. eg. water or milk
- 9. the scale on what acids and bases are measures 2 words in the space of 1
- 10. what we breathe out -dioxide
Down
- 1. Litmus turns blue
- 4. like argos, but its an element
- 5. au tumn
- 7. what americans call the orange lights on cars
- 11. breathe=live