Students will to organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?," into two scatter plots and determine the quadratic model for each scatter plot. Students will determine if these graphs intersect and learn...

This lesson will demonstrate how to compare a calculated density from and experiment to the "actual" density reported in reference sources. It is 3 of 3 in the series titled "Percent Difference Calculations."

[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will learn to distinguish between accuracy and precision in measurements and to also calculate the percent error of a...

Determining the population in a larger area by tagging. By using proper scientific method and careful sampling procedures, students learn how biologists work in the field to collect data about a population. Students will also calculate...