Does your class have a bright future in the solar energy industry? Science scholars take an in-depth look at what's new in solar technology. After completing research into the solar industry, participants create and market a product in...

Students examine the concept of dimishing marginal productivity. They role play the role of a farmer who has to decide how many times to spray his strawberry crop. They complete a chart and discuss the results.

In this ESL worksheet, students read or listen to an article about the production of biofuels. Students complete all or some of the 100 activities available here including discussion, listening, vocabulary and comprehension.

Students decide how many times to spray a strawberry crop. They apply marginal analysis and discover the "law of diminishing returns."