1. Graphing

2. South Carolina Standards PS-1.5 Organize and interpret the data from a controlled scientific investigation by using mathematics (including formulas and dimensional analysis) graphs, models, and/or technology.

3. Communicating With Graphs Graphs are used as a visual display of data. There are 3 major types of graphs.

4. Bar Graphs Useful in showing information collected by counting.

5. Pie Graph Useful in showing some fixed quantity broken down into parts or percents. Must add up to equal 100%.

6. Line Graphs Useful in showing trends or continuous changes.

7. How to Construct a Line Graph Identify the Variables (DRY MIX) –Dependent Responding Variable goes on the y-axis (vertical) –Independent Manipulated Variable goes on the x-axis (horizontal) Determine the Variable Range of Numbers Determine the Scale of the Graph Number and Label Each Axis Draw the Graph Title the Graph

8. Interpolate Using data inside your known points to calculate where unknown data would fit. Changes in Oxygen Levels Over Time

9. Extrapolate Predicting unknown data beyond a set of known points by extending a trend or line pattern. Total Yearly Home Runs for the Fort Mill Yellow Jackets 1953 - 1969