There are some amazing ways species evolve to survive. From large ears to sneezing salt, learners read about these interesting adaptations in an interactive lesson. Great to supplement an in-class lesson, it also works well as a remote...

Make learning about Earth's biomes fun and easy with video clips, photographs, and diagrams. Learn about estuaries, the water environments formed where freshwater from rivers or streams mix salt ocean water. [6:38]

An interesting look at the extensive canal system the Hohokam built to support their agriculture practiced in an arid location. Follow the maps that show where the canals were built, read about how the canals were built, and find out why...

How are the Atlantic and Pacific oceans different? At this site from the Missouri Botanical Garden you can click on the "Atlantic and Pacific Oceans," link to learn all about this topic. Study the two animated illustrations given to...