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 ...

What is a Lesson Plan? An effective lesson plan demonstrates how a teacher creates objectives for his or her students and measures how those objectives are mastered. Creating a lesson plan begins with ...

Lesson originally published Sept. 12, 2021, and has been updated. Constitution Day commemorates the signing of the U.S. Constitution on September 17, 1787. In this lesson, students will hear from ...