Science

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