What can bulldozers and screen doors have in common? Use this lesson on fluid power to find out. It begins with some simple teacher demonstrations, includes a couple of videos, and culminates with an inquiry-based activity to investigate...

Students explore engineering by participating in a mechanical class activity. In this simple machines lesson, students identify many simple machines that allow them to perform tasks easily each day. Students collaborate in small groups...

It's electric! Young anatomists use Virtual Neurons software to build, control, and analyze complex nerve circuits within the body. Colorful and packed with content, class members enjoy interacting with the nervous system...