The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

Seventh graders create a classroom timeline of important world events. This lesson is meant to be used during the entire school year. As the school year goes along, events are added to the timeline as chosen by the class. The events are...

Bridge the gaps in your knowledge of bridges. Individuals learn about bridge types by building models. The activity introduces beam bridges, arch bridges, truss bridges, and suspension bridges.

Fourth graders identify the reasons behind the fall of the Roman Empire and describe the changes that occurred after the fall of the Roman Empire.

Sixth graders begin the lesson by researching the different types of ships and shipbuilding techniques used to help trade in the Mediterranean Sea. Using different objects, they determine what one can tell about a society and discuss...

Students explore lead poisoning and how it relates to ceramic dishes. They perform an experiment to discover if any of your ceramic ware is leaching lead which might cause lead poisoning.

Young scholars explore the amount of lead in ceramic plates through an experiment. Students determine if everyday dishware is leaching lead into food. They chart their results and discuss how much lead in ceramic dishware may cause...

Students examine fire flies. They measure the frequency of light stimulus used by communicating fire flies. Students explore the concept of organisms using light to communicate. Students film the fire flies and quantify the duration...