- American Memory
- America’s Best History U.S. Timeline – 1960s
- Atlas of Plucked Instruments
- Brainpop
- Beat the Earthquake Game
- Centers for Disease Control and Prevention
- CIA World Factbook
- Citationmachine.net
- Chemicool
- Digital History Overview of the 1960s
- Dynamic Earth
- Earthquake Hazard Program for Kids
- Easbybib.com
- Encyclopedia of Life
- Engineering for Earthquakes
- FreeRice.com
- Geology.com/Minerals
- InfoPlease Countries of the World
- Mineralogogy4kids.org
- Musical Instrument Library
- Periodic Table by Element Name
- Periodic Table of Elements
- Science–How Stuff Works
- ScienceSpot KidZone/Minerals
- Southern California Earthquake Center
- Sixties City
- The California Geotour
- Understanding Civil Engineering
- USA.gov
- U.S. Dept of State A-Z Countries
- Volcanoes Interactives from Annenberg Learner
- World Geography Games