Physical States and Properties
Diffusion I: An Introduction
Further Exploration
Rate of diffusion through a solution
University of California, Davis
Classics
Of the Nature of Things by Lucretius
A Brief Account of Microscopical Observations (PDF) by Robert Brown
On Liquid Diffusion by Adolf Fick
News & Events
Chemistry World - report on research at Stanford University of using the concepts of diffusion and precipitation to take advantage of how chemicals move down a concentration gradient to create a device capable of recording time information.
Phys.org - scientists have found some of the chemistry behind the diffusion of CO2 molecules in a glass of champagne
Research
Google - Research database allows searching of the scholarly literature.
Experiment!
Explore the role of temperature on the rate of diffusion. Source: Boundless.
Next Generation Science Standards (NGSS)
Next Generation Science Standards: For States, By States
National Academies Press: A Framework for K-12 Science Education