Curated OER
Circles in the Landscape: Irrigating Oklahoma Crops
How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...
Curated OER
The Art of Simple Machines
Young scholars investigate the inventions of simple machines in our past and how they affect us today. In this engineering lesson, students discover who Rube Goldberg was and his ideas about complicated machines performing very simple...