Created by Paul Falstad, this page compares the distance/magnitude/size of various objects or constants. This includes physical dimensions such as the diameter of particles, atoms and biological cells, the height of Mt....

This unit from the Yale-New Haven Teachers Institute is "an attempt to develop a unit in mathematics that will provide topics for students interested in the aviation trades." The unit can be used to cover all areas of...

This lesson, presented by the National Nanotechnology Infrastructure Network, covers the general concepts of size and scale by discussing the micro and nano worlds. Children will "explore the concept of size by comparing...

Based at the University of Plymouth, the Centre for Innovation in Mathematics Teaching has developed many instructional materials designed to help both novice and experienced math teachers. This particular area of the...

This YouTube video, created by Southwest Center for Microsystems Education (SCME), provides an overview of the concept of scale, including micro, nano, and macro scales. It runs for 14:28 seconds, and compares "compares...