| Earth Images |
| Franklin's Forecast - Lightning |
| Johnny Burks |
| The National Climatic Data Center (NCDC) |
| Plate Techtonics With animations |
| UCMP Geological Time Machine Introduction to Geology |
| Volcano World |
| Volcanoes Cutting edge digital illustrations |
| The "Weather Dude" Weather page especially for kids, parents and teachers |
| Weather Information |
| The Weather Underground Weather imagery, current conditions and forecasts, and curriculum activities |