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Bacteria Killers

CSEF · 2013 Microbiology (Medical) (Junior Division Only)

Zoey N. Lykins · Cain (E.V.) Middle School, Auburn, Placer County

Overview

Objectives/Goals The purpose of my project was to determine whether antibiotics or probiotics work better at killing bacteria. Methods/Materials 1. Petri dishes 2. Pro/Anti Biotics 3. Tissue paper 4. Ecoli 5. Cotton Swabs I gathered my antibiotics, probiotics, petri dishes, and ecoli bacteria. First, i got my bacteria and made a S motion on each petri dish. Next, i got my antibiotics and probiotics and tissue paper and dipped each tissue paper in the liquid antibiotics and probiotics and placed them on the petri dishes. Then, i waited 5 days to check my results. Results The results of my project was that antibiotics wored better than probiotics at killing bacteria. Conclusions/Discussion I believe that the antibiotics work better than the probiotics because doctors prescribe them to patients with any bacteria caused disease.

Summary statement

My project was about discovering whether probiotics or antibiotics work better to prevent the growth of bacteria.

Help received

Mr.Scott helped to correct; Mother bought supplies; Grandmother gave information on subject

Competition history

  • CSEF 2013 Microbiology (Medical) (Junior Division Only) · Entry J1608

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