Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes. In Chapter 5, students learned how the process of dissolving ...

Synthetic materials are made from natural resources. Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics. Some examples of ...

It’s January, and in many places, that means cold weather–and possibly some snow. It may be hard to capture students’ attention now that most winter breaks are over. Creating a video-based lesson that ...