Aim:
I wanna find out where is the dirtest in the school.
Research
Method :
Equipment:
- Petri Dish
- Cotton Tip
- Maker pen
- Sellotape
Instructions
- Get Your Equipment
- Divide your plate using a maker pen (2) - Table, Sink Faucet.
- Label the section with what you swab.
- Take a cotton tip and swab a surface.
- Gently swab the agar jelly.