Does increasing the pressure between two moving plates provide a stabilizing force or create more destruction? The hands-on lesson encourages exploration of strike-split fault models. The sixth lesson in a 20-part series asks...

Show your class how engineers use graphs to understand large and complex systems. The resource provides the beginnings of graph theory by introducing the class to set theory, graphs, and degree distributions of a graph. 

Take this ten-question review quiz over the Scientific Method. Read more about each question after an incorrect answer is given.

A ten-question quiz to review students' understanding of the scientific method.

Thirty-three cloze reading passages on various scientific passages including the scientific method, the water cycle, earth science, atoms, elements, cell division, body systems, and more.