How does locally grown produce sold at a farmer's market compare to a more complex industrial system in the way they each affect the environment, people, and the economy? Pupils explore the different types of food systems and how they...

How are economics and politics intertwined? Societies in the Medieval period used feudalism for both economic and military reasons. The arrangement provided safety and met other needs. Using the included simulation, individuals...

Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...

This poster goes well beyond any traditional instructional activity in allowing learners to analyze a variety of primary source documents related to the presidency of Franklin D. Roosevelt.

Find out about the renewable energy resource using wind energy technologies. Learn about the use of wind for a stand-alone system, and how one uses it in large-scale wind farms.