microorganisms

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Across
  1. 3. Disease caused by viruses
  2. 6. Process of breaking down organic matter into simpler substances
  3. 9. Type of virus that attacks bacteria
  4. 10. Types of bacteria added into milk to make cheese and yoghurt
  5. 11. Heat food in order to kill harmful microorganisms
  6. 12. Dead or weakened forms of germs that are introduced into the body to help us resist disease
  7. 13. Kill or stop the growth of bacteria
  8. 14. Disease transmitted by mosquitoes
  9. 15. Kill germs on living tissues or skin
Down
  1. 1. Yeast feeds on the sugar contained with the dough, producing carbon dioxide and alcohol
  2. 2. First self-made microscope
  3. 4. Example of microorganism
  4. 5. The first antibiotic to be discovered
  5. 7. Microorganisms that live on or inside other organisms to obtain nutrients
  6. 8. Living things that are too small to be seen without using a microscope