how do I fill out the observation chart of my bacteria samples for by bacteria lab?
how do I fill out the observation chart of my bacteria samples for by bacteria lab?
how do I fill out the observation chart of my bacteria samples for by bacteria lab?
SBI 3U: Bacteria Lab Learning Goals: To use proper procedures to collect and culture bacteria samples Analyse results to develop conclusions and recommendations To communicate information using a lab report To properly sketch biological drawings Scenario: Innisdale has hired a new cleaning staff to help the Board custodians. You have been hired by Kleencheck to go to Innisdale Secondary School to investigate the allegations that the school is not being cleaned as per regulations. Although things may appear clean on the surface, deep cleaning and disinfection of certain areas may have been missed or ignored. There were allegations of not using approved antiseptic and disinfection cleaning solutions and/or areas just not being cleaned at all. The Board has hired your company to do a surprise visit to check for the overgrowth of bacteria in the school, especially pathogenic strains. If the school has been properly cleaned and disinfected in high traffic areas on a regular basis, with approved disinfecting agents, bacteria would not have an opportunity to grow. Purpose: To sample different areas of the school checking for bacterial growth. Background section: Explain why you were hired to analyse Innisdale SS. Give a brief description of bacteria in general (what they need to live/thrive). Explain where you think bacteria would be found and why. Speculate as to whether or not you may find pathogenic bacteria and give a rationale. Explain the importance of cleaning solutions and disinfection and how it affects bacteria growth. Keep this section brief and only include information that pertains to your purpose of this job. Hypothesis: Develop a hypothesis. Materials: Record what you have used to conduct this lab. Method: You can write “As per Kleencheck procedures”. (Basically what we give you in class). Be sure to record exactly where you have taken your samples in this section. Observations: Complete you sketch and chart (handout). Results: After the bacteria have been cultured in your Petri dish, you will try to identify the types of bacteria (if any grows at all). Here you will finish completing your analysis chart. Discussion: This is a very important section. This is where you examine, analyse and interpret your results. Were the bacteria expected to be in the locations you swabbed? Why or why not? (Keeping in mind your hypothesis) Were there any pathogenic bacteria? Why? Are the bacteria typical for a school setting/locations were they were found? Were there any surprising results? Conclusion and Recommendations: Here you restate the purpose of you lab, highlight any significant findings, and state whether or not the results supported your hypothesis. Basically you will state whether or not the school is being cleaned to regulations. As well, here you suggest improvements for the lab (Could there have been any errors?). Then you will give recommendations as to what the school needs to do based on your findings. For example, if you think you have found pathogenic bacteria on the school phone, what should be done? RUBRIC R/1 Communication Is the lab neat and professional? Does it contain all sections in proper order? Are the drawings neat, labelled, complete? Does it deliver all information in a clear, succinct manner? Thinking Is there a workable hypothesis? Are the results properly analysed? Are interpretations supported by logical reasons? Are the conclusions and recommendations derived from the interpretation of the results? Do they make sense? Was a proper rationale given as to whether or not the hypothesis was supported? Application Were proper procedures followed? (Collection and culturing) Was there evidence of connections being made between the theory and the practical application? Knowledge Were proper terms and concepts used?
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