Students design a boat model with simplified steam engine. In this ecology lesson, students compare renewable and nonrenewable energy sources. They determine the efficiency of their boat model.

Students explore the relationship between nature and architecture. In this cross curriculum history, culture, and architecture instructional activity, students observe and discuss structures visible in nature. Students view websites in...

Students review succession charts for their native area before going to an outside site to view the changes. At the site, they follow the transect line and observe the changes in the plant life. They draw the changes on note cards that...