Fourth and fifth graders explore soil by taking a simulated field trip under the earth. They go to an Internet site that runs a simulation which charges them with finding a source of pollution that could destroy all of Earth's soil, and...

Students role-play as diplomats from countries involved in World War I who have received telegrams stating they must prepare presentations on their country's position about the war. They have 45 minutes to reach a peace accord, or they...

Students role play as members of a company's import-export purchasing department attempting to develop a positive trade balance with a Pacific Rim nation. They create a company and research a trade nation in order to report to their...

Students construct an origami models of different molecules. In this chemistry lesson, students explain what expansive soils are made up of. They discuss what happens when this expansive soil expands or shrinks.