Bacteria experiment ideas.?

Question

I am in PJAS and I am looking for experiments on bacteria. I would like an experiment not everyone does like which hand cleaner is best. Only looking for ideas not going to cheat on the experiment. I am in 10th grade so I expect it to be age appropiate or better.

Answer 1

I did which mouthwash kills the most bacteria

use listerine, crest, biotene, and other random brands...

but i did it for honors biology

Answer 2

Take swab samples of various unsavory places at your school, like the sink in the boys' bathroom, the underside of tables in the cafeteria, the mouse clicker in the library, etc. Maybe you could take samples from the bathroom sink at different intervals during the day.

Answer 3

Test various local bodies of water (tap, pond, lake, creek) for fecal coliform bacteria (fecal contamination).  Or, you can test antibiotic resistance in the skin bacteria of different groups of people (have taken antibiotics, eat meat, use antibacterial soap)..