Science
- 561
- TransitPeople's Transportation Lessons
- Tells the history of how people went from one place to another and lists current modes of public transit. Includes online pop quizzes at the end of each section.
- 562
- Transportation and Public Transit
- Includes history, information on trains, some of the problems caused by cars, and different modes of public transit. Includes online quizzes.
- 563
- Biomes of the World
- Quick facts about habitats across the globe including several photos of the land, plants, and animals of each region.
- 564
- Habitats/Biomes
- Describes the characteristics of several biomes and provides further information on some of the animals that live in each habitat.
- 566
- An Introduction to Water Erosion Control
- Information on erosion control, and soil management techniques.
- 567
- Our Weathering/Erosion Experiment
- A backyard experiment that you can do too, with the help of your parents.
- 568
- Soil: Erosion and Conservation
- How the soil is being damaged by rain, gravity, and wind. Plus why we should be concerned.
- 569
- The Dirt on Soil
- Explore soil ecology, meet microscopic creatures, and journey underground in the virtual reality voyage of the Earthship. From the Discovery Channel school.
- 571
- Geography4Kids.com: Atmosphere
- Looks at the different levels of the atmosphere, how it moves, and how it's changing.
- 572
- Layers of the Earth's Atmosphere
- Tells the names of the levels of the atmosphere, and how come they're there.
- 573
- The Atmosphere
- Looks at different parts of the atmosphere, and has information on what makes up the atmosphere.
- 575
- CaveArt
- Interactive site draws visitors into the world of cave artists. Includes information on the people themselves as well as their paintings, sculptures, and etchings.