Biology > Lab Experiment > Southwest Guilford High SchoolBIO 10111.4.3 lab (All)
Southwest Guilford High SchoolBIO 10111.4.3 lab
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1. Independent Variable. What is the independent variable? What are you deliberately choosing or changing? Antibiotics being used 2. Dependent Variable. What is being measured? Bacterial Growth- the... amount of bacteria that grew 3. Lab set-up Experimental Groups Antibiotic Group 1 Antibiotic Group 2 Control Group Number of Traits 1 1 1 4. Control. What is the experimental group being compared to? The experiment group is being compared to the sterile control dish 5. Hypothesis. Use an “if... [Independent Variable] ...then... [Dependent Variable] ...” format. State the cause-and-effect relationship between the independent variable and the dependent variable. It must be testable.) If the antibiotics kill bacteria then there will not be as many bacteria in the petri dish. 6. Lab title. The effect of antibiotics on bacteria 7. Experimental constants. Name at least six variables NOT altered during the experiment. Control disc, cotton swabs, antibiotic discs, temperature, paper towels, the steps. [Show More]
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