Across
- 1. Substance produced by lightening.
- 5. Alloy made of copper and tin.
- 6. Suez Canal belong to this country.
- 7. The essential gas we breath in.
- 8. Tissue that connects muscle to bone.
- 11. What are your nails and hairs made of.
Down
- 2. Meat and plant eater.
- 3. E is Einstein’s E=EC2.
- 4. Hardest known natural material
- 5. Common name of botulinum toxin.
- 9. Bees collect this to make honey.
- 10. Plant part that does photosynthesis.