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 ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

STEM is more than just a grouping of subject areas. It is a movement to develop the deep mathematical and scientific underpinnings students need to be competitive in the 21st-century workforce. But ...

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 ...