To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics. The engine behind the earthquake machine is ...

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 ...

Wilmington's health initiatives increased primary care engagement from 26% to 62% and reduced overall medical costs by promoting preventive care and chronic disease management. Unlimited pharmacy ...