Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.

Students collect data from an experiment they perform. In this data lesson, students use multiple representations to solve practical problems; describe advantages and disadvantages of the use of each representation. Then, they evaluate...

Young scholars become aware of pollution in Richfield Minnesota's Wood Lake, identify sources of pollution in Wood Lake, learn to use variables, equations, spreadsheets and modeling software, and generate solutions for the problem.

Tenth graders construct geometric figures using compasses and protractors.

In this using metric measurement at the zoo worksheet, student solve twenty multiple choice problems about the weight and length of zoo animals using the metric system.

 Students explore the likelihood of events.  In this logical thinking lesson, 3rd graders are given several scenarios and determine whether the possibility of the described event actually happening is likely, unlikely, or...

Students make observations of effigy mounds and record them in a notebook. In groups, they must determine the scale of measurement and create their own grid to scale part of the Effigy Mounds National Monument. They also practice using...

Learn about the life and work of the father of natural history for the latter part of that century.