It's a small (nanotechnology) world after all! The first segment of a six-part series gives an overview of nanotechnology, its principles and applications, and shares some of the engineering applications of nanotechnology. A...

A few good questions move this lesson right along. Young mathematicians use critical-thinking skills as they learn how to determine the perimeter of various shapes. They determine perimeter first by measuring and adding the lengths of...

Prior to beginning a math or physical science lesson on motion, use this presentation to define the concepts of motion, rate, velocity, and speed. This resource lacks concrete examples but could be useful as discussion starter.