Across
- 4. this is below 7 on the pH scale
- 5. this is used to clean skin before an operation
- 6. this is how many pints of water we have in our body
- 9. this only eats animals
- 11. this side of the heart is deoxygenated
- 14. this hazard symbol is a fire
- 16. units to measure energy
- 17. this animal has a backbone
- 18. this eats plants and animals
- 19. this is what the A stands for in mrfab
- 20. this makes its own food
Down
- 1. this is used to sample small animals that live on the surface above the soil
- 2. this hazard symbol is a exclamation mark
- 3. this is number 7 on the pH scale
- 7. this only eats plants
- 8. this is above 7 on the pH scale
- 10. this animal doesn't have a backbone
- 12. this is what the E stands for in mrsgren
- 13. this animal is extinct
- 15. this part of the heart is oxygenated