Aim:
I want to find out where the dirtiest place at school.
Research:
Method:
Equipment
- Petri dish
- Cotton tip
- marker
- Sellotape
Instructions
- Get your equipment
- Divide your plate using a marker pen.
- Label the sections with what you swab.
- Take your cotton tip and swab a surface.
- Gently swab the surface of the agar jelly.
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