Presents numerous Web sites with primary source documents and authoritative data in all areas of science. Activities and questions are designed to motivate students to interact with the site, read and analyze the material, and draw their own conclusions.

Electronic reproduction.

Acknowledgments, permissions, and dedications -- Introduction -- Ancient, medieval, and renaissance eras -- Seventeenth century -- Eighteenth century -- Nineteenth century -- Early twentieth century -- Later twentieth century and early twenty-first century -- Appendixes -- Index.