Across
- 2. The introduction of unwanted microorganisms into a sample (13)
- 3. Passing equipment through a flame to kill microorganisms (7)
- 5. Working in a way that prevents contamination by microorganisms (7)
- 7. A shallow plastic container used to grow microorganisms on agar (5,4
- 8. A gas burner used to sterilise equipment and create a sterile area (6,7)
- 9. Completely free from living microorganisms (6)
Down
- 1. A chemical used to kill microbes on skin or surfaces (10)
- 3. A piece of equipment used to handle sterile materials without directly touching them
- 4. A metal tool used to transfer microorganisms safely (16)
- 5. A jelly-like substance used as a growth medium for microbes (4)
- 6. Substances present in the agar jelly that help microbes to grow