Science
- 541
- The MicroScape Virtual Laboratory
- View samples from one of these categories: nature, word around your house, and the world of science and technology.
- 542
- The Paper Project - History of the Microscope
- Definitions and types of microscopes, along with connections to telescopes and lenses. Includes names of inventor's contributions and illustrative images.
- 543
- Virtual Electron Microscope
- Choose samples and prepare them for viewing with the electron microscope
- 544
- Divided Highways
- A PBS documentary about the Interstate Highways and their impact on American life.
- 545
- Fast Attacks and Boomers
- Discover how nuclear powered submarines were built, operated and used during the Cold War.
- 547
- 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.
- 548
- 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.
- 549
- Biomes of the World
- Quick facts about habitats across the globe including several photos of the land, plants, and animals of each region.
- 550
- Habitats/Biomes
- Describes the characteristics of several biomes and provides further information on some of the animals that live in each habitat.
- 552
- An Introduction to Water Erosion Control
- Information on erosion control, and soil management techniques.
- 553
- Our Weathering/Erosion Experiment
- A backyard experiment that you can do too, with the help of your parents.
- 554
- Soil: Erosion and Conservation
- How the soil is being damaged by rain, gravity, and wind. Plus why we should be concerned.
- 555
- 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.
- 557
- Geography4Kids.com: Atmosphere
- Looks at the different levels of the atmosphere, how it moves, and how it's changing.
- 558
- Layers of the Earth's Atmosphere
- Tells the names of the levels of the atmosphere, and how come they're there.