Physical States and Properties

Diffusion I: An Introduction

by Heather MacNeill Falconer, M.A./M.S., Gina Battaglia, Ph.D., Anthony Carpi, Ph.D.

Further Exploration

Rate of diffusion through a solution

University of California, Davis


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

A chemical time capsule

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.

What makes champagne bubbly? - scientists have found some of the chemistry behind the diffusion of CO2 molecules in a glass of champagne


Google Scholar

Google - Research database allows searching of the scholarly literature.


Gas Diffusion and Effusion

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