This document, created by Pennsylvania State University and hosted by the Nanotechnology Applications and Career Knowledge Network, serves as a guide for a laboratory activity where students are introduced to the concepts and processes of contact lithography. The lab guide includes objectives, background information on photolithography and its application in nanofabrication, step-by-step directions to the lab activity itself, including links to video demonstrations, and post-lab questions to test student comprehension. In order to access and download this material, users must complete a free registration.