Editor's Picks

Students use yeast to clean up sugar spills.

Students learn about oil spills and their environmental and economic effects. They experience the steps of the engineering design process, starting…

Student teams design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and…

Waterwheels are devices that generate power and do work. Student teams construct waterwheels using two-liter plastic bottles, dowel rods and index…

Students use their knowledge about how healthy heart valves function to design, construct and implant prototype replacement mitral valves for…

In this hands-on activity—rolling a ball down an incline and having it collide into a cup—the concepts of mechanical energy, work and power…

Students test whether the color of a material affects how much heat it absorbs. They leave ice cubes placed in boxes made of colored paper (one box…

Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences. Through the online Earthquakes Living…

Students use potatoes to light an LED clock (or light bulb) as they learn how a battery works in a simple circuit and how chemical energy changes to…

Working as engineering teams, students design and create model beam bridges using plastic drinking straws and tape as their construction materials.…

Why do we care about air? Breathe in, breathe out, breathe in... most, if not all, humans do this automatically. Do we really know what is in the air…

Students learn about the role engineers and engineering play in repairing severe bone fractures. They acquire knowledge about the design and…

That heat flows from hot to cold is an unavoidable truth of life. People have put a lot of effort into stopping this natural physical behavior…

Students build their own small-scale model roller coasters using pipe insulation and marbles, and then analyze them using physics principles learned…

Students learn the difference between global, prevailing, and local winds. They make wind vanes out of paper, straws, and soda bottles and use them…

Students learn how to use and graph real-world stream gage data to create event and annual hydrographs and calculate flood frequency statistics.…

Students learn that fats found in the foods we eat are not all the same; they discover that physical properties of materials are related to their…