Ib Biology Lab Report

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I. Parts of a Lab Report
1. Introduction:
a. Title
b. Research Question
c. Hypothesis
d. Variables
e. Control of Variables

2. Materials & Methods
a. Materials
b. Method

3. Data
a. Data
b. raw data
c. uncertainty
d. presentation
e. processing data
f. Graphs

4. Results/Conclusion
a. Conclusion

5. Discussion
a. Evaluation

6. References

II. Other Help

errors and uncertainty

A. Design

I. Research Question
• Rather than an Aim and Hypothesis you need to start your Design practicals with a focused research question. A Design practical has a title that is deliberately vague. You, the student, are expected to come up with the independent variable. Use the independent variable and the dependent variable to phrase your research question. You should also include a brief description of your experiment. Eg. What is the effect of a changing glucose concentration on cell respiration in yeast? Five different concentrations of glucose (0.0 M, 0.25 M, 0.50M, 0.75M and 1M) will be used to see how the growth of yeast changes. The growth of yeast will be measured by the amount of CO2 produced which is an indication of the amount of cell respiration taking place. It is expected that increasing the glucose concentration will increase the amount of C02 produced which will suggest that the rate of cell respiration has increased.

II. Hypothesis
• While a hypothesis isn’t needed and sometimes it’s not possible, usually in biology you will have a hypothesis. If you include a hypothesis to help focus your research question then it needs to be an “if….then…” statement that includes the independent and dependent variables. Your hypothesis should be supported with an explanation. Eg. If the glucose concentration is increased, then the amount of C02 produced will also increase. This is because glucose is used by yeast to make ATP through...
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