Middle schoolers create a dichotomous key to different varieties of potato chips. In small groups, they observe and record characteristics of the potato chips to use in the key. They switch keys with another group to see if they can...

Students observe their local forest and document the change that occurs over the school year.  For this forestry instructional activity, students utilize a GPS to mark a certain area of the woods as their study area for the...

Students investigate Daisyworld, a very simple planet that has only two species of life on its surface - white and black daisies, and bare ground. They construct a Stella model of Daisyworld and perform guided experiments to explore the...