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13 Cards in this Set
- Front
- Back
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The scientific Method |
1. Research 2. Observation 3. Ask a question 4. Hypothesis 5. Design Experiment 6. Collect Data 7. Analyze data 8. Draw Conclusions |
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control group |
NOT treated; serves as a baseline for comparison |
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experimental group |
an experiment with a goal of verifying, refuting, or establishing the validity of a hypothesis |
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independent variable |
" thing tested" does not depend |
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Dependent Variable
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what you measure in the experiment, and what is affected ( changed) |
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Controlled Group |
stays the same throughout the entire experiment |
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What were some of the controlled variables during the ecoli lab? |
volume of Ecoli \ temperature 37 degrees celcius \ broth \ light \ \ incubator \ |
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quantitative data |
can be counted or measured } area or number of colonies on the plates |
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qualitative data |
descriptive data } it can be seen or smelled |
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Name the instrument that you would use to inoculate a microcenturifuge tube with bacteria from a stock plate? |
The PIPETTE would be used for water and the INOCULATION LOOP to transfer bacteria |
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What is the name that we use to generate a flame? |
bunsen burner |
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What is the purpose of the flame in our experiment? |
To sterilize the INOCULATION LOOP |
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What technique would you use to create a solution that has a lower concentration of bacteria so that you can isolate bacteria? |
SERIAL DILUTION is used to create a lower concentration of bacteria |
