Science
- 141
- The Open Door Web Site
- A Natural Science reference site for middle school students. Includes topic chapters, facts and figures, questions and quizzes. Quick search and index search available, as well as an Internet guide.
- 142
- The Visible Embryo
- Provides a visual journey through the stages of human development from conception to birth.
- 143
- Tree of Life Web Project
- Classification of organisms. Has diagrams showing where all organisms fit into the evolutionary tree.
- 144
- Chemistry - An Introduction
- Information, quizzes and activities that provide an introduction to chemistry. Topics include atoms, molecules, gases, liquids, formulas, and the periodic table.
- 146
- Chemistry of Tie-Dying
- Background of the chemistry of dyes as examples of molecules, and the reaction between cotton and dye as a perfect example of a simple chemical reaction.
- 147
- Java Applets for Chemistry
- Java and Shockwave programs allow students to conduct virtual experiments.
- 148
- Saving the National Treasures
- NOVA television program explores the techniques used to preserve the original Declaration of Independence, Constitution and Bill of Rights of the United States.
- 149
- The Kids' Macrogalleria
- Explains what a polymer is, what it's used for, and how we can make things out of them.
- 150
- Who Invented the Thermometer?
- Timeline showing the invention of the thermometer and the history of the different temperature scales.
- 151
- Computer Terminology Web Games
- Each quiz selects ten computer words at random from a total set of 220, providing unlimited play.
- 152
- Kids Design the Future
- Seven children join with researchers to form a design team to develop new technologies in the field of human-computer interaction. Includes description of the design process, project details, research papers, and FAQ's.
- 153
- Backyard Nature
- Nature study basics, with an emphasis on backyard plants and animals. Includes a section on naming and classification, list making, and "why bother with nature?"
- 154
- Children of the Earth United
- A non-profit organization which helps young people learn about animals, plants, ecology, and nature centers. Site also provides a forum for people to share their creative ideas and knowledge of the environment.
- 155
- Dimdima Kids
- Indian online children's magazine for ecology. Read nature notes, tales, about culture, plants, animals, environmentalists, endangered and extinct species.
- 156
- EPA Student Center
- Provides environmental basics, club projects, careers, internships, youth awards, fun activities and information on ecosystems, air, water conservation, waste and recycling, human health and neighborhood projects. Also has teachers' site.
- 157
- Earth Today and Tomorrow
- A section of the Natural History Museum that provides a look at the planet on which we live and how we interact with it.
- 158
- Earthforce
- National non-profit youth organization empowers kids to help solve local environmental problems.