| Animal Bytes | |
| BBC Science | |
| Crickets | |
| Educator's Reference Desk | |
| FAST (Foundational Approaches to Science Teaching) | |
| Filamentality | |
| Furl - Social Bookmarking Tool | |
| Global School House | |
| GLOBE - Hands On Science | |
| HandiScope | |
| How Stuff Works | |
| Internet Public Library | |
| Invent Now | |
| Journey North | |
| Making a Family Tree Using VUE Concept Mapping Software | |
| MicroWorlds - Logo Programming Software & Resources | |
| Montshire Museum Exhibit Explorer | |
| Mrs. Mitchell's Virtual School | |
| Museum of Science | |
| Museum of Science | |
| New York Times Daily Lesson Plans | |
| Pasco Online Experiments in Science | |
| Podcasts/lesson plans | |
| Podzinger | |
| Popfly | |
