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A Sample Project - Page 3

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Figure 6.6 Example of a Table

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Figure 6.8 Examples of a Line Graph

chart3Figure 6.7 Example of a Bar Graph

RESULTS


  Before you can state the results of an experiment, you must first organize all the data collected during experimentation. Numbers, called "raw data," have little meaning unless you organize and label them. Data from each experiment needs to be written down in an orderly way in your journal. Use a table (a diagram that uses words and numbers in columns and rows to repre-sent data) to record data. Use a graph, such as a bar graph (a diagram that uses bars to represent data) similar to the one shown in Figure 6.5 to analyze (separate and examine) data.

 
  Figures 6.6 through 6.8 give examples of three different ways to express the same data for surface temperature of soil. Figure 6.6 shows another example of a table, Figure 6.7 shows a bar graph, and Figure 6.8 shows a line graph (a diagram that uses lines to express patterns of change).
  There are other useful ways to represent data. A circle graph, or pie chart, is a chart (data or other information in the form of a table, graph, or list) that shows information in percentages. The larger the section of the circle, the greater the percentage represented. The whole circle represents 100 percent, or the total amount. For example, a pie chart can be used to represent the results of an experiment measuring soil surface temperatures for June. To make a pie chart, first record the number and percentage of days that have each average daily temperature in a table, as shown in Figure 6.9. Then, express the same data as percentages in a pie chart, as shown in Figure 6.10. Note that illustrations of children are placed around the circle to add interest to the data display.
 

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Figure 6.9 Table of Soil Subsurface Temperature