Completed Student Sheets p 19
p 21 Petri Dishes
- Why are we using Petri Dishes for this investigation?
- What is the gel on the bottom?
- How is using a petri dish safe for such a risky investigation?
p 22 Lab Material
Key
| Petri Dishes | Contains agar which acts as a growth site & food source for bacteria Must stay sealed unless we are adding bacteria through a small opening. |
| Cotton Swabs | |
| Gloves | |
| Sharpie | |
| Bleach Solution | |
| Ziploc Bags |