Step 7: Analysis
Gathering data and analyzing it is an important part of a science fair project and scientific research in general. Take some time to carefully review all of the data you have collected from your experiment.
Use charts and graphs to help you analyze the data and patterns. Did you get the results you had expected? What did you find out from your experiment? Really think about what you have discovered and use your data to help you explain why you think certain things happened. 
You should have performed multiple trials of your experiment. Think about the best way to summarize your data. Do you want to calculate the average for each group of trials, or summarize the results in some other way such as ratios, or percentages?

GRAPHS:

Graphs are often an excellent way to display your results. In fact, most good science fair projects have at least one graph.
For any type of graph:

Different types of graphs are appropriate for different experiments. These are just a few of the possible types of graphs:

Line graph shows the relationship between your dependent and independent variables when both are numerical and the dependent variable is a function of the independent variable. 
A bar graph might be appropriate for comparing different trials or different experimental groups. It also may be a good choice if your independent variable is not numerical. (In Microsoft Excel, generate bar graphs by choosing chart types "Column" or "Bar." 


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