1. How to grow bacteria?
2. How to grow bacteria colonies?
3. How to count bacteria?
4. Study the effect of pH on household bacteria.
5. Study the effect of temperature on bacteria growth
6. Study the effect of antibiotics on bacteria count
7. Study the effect of light on bacteria growth
8. Study the effect of UV (Ultra Violet light) on bacteria growth
9. Study Bacteria classification. 
10. How can we control the growth of anaerobic bacteria?
11. How can we control the growth of aerobic bacteria?
12. Study the effect of different nutrients on bacteria growth.
13. How fast do the bacteria grow? (reproduction or fission rate)

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