Many of the reports, proceedings and other sources published by the National Academies Press can be downloaded for free in PDF format. Search the Geology collection. Site requires that you provide name and email.
From the National Institute of General Medical Sciences, you will find basic quizzes and puzzles about cells, genetics, proteins, bacteria, noble prizes, inside cells, chemistry of health and much more.
This textbook is a comprehensive lab manual for the core curriculum Introductory Geosciences classes with both informational content and laboratory exercises.
Looking for free photographs to use in the classroom? All images produced or published by the USGS are in the public domain and can be freely used without permission*. Please acknowledge the USGS as the source.
The USGS Multimedia Gallery is our one-stop collection of videos, photography, and audio. All items in this gallery are considered public domain unless otherwise noted.
