Few scientists have been as influential as Galileo. This link to the PBS series of the same name is filled with articles, timelines and interactive shockwave displays. The title of this web visual lesson is Galileo's Battle for the Heavens.

This learning tool is called Darwin's Diary. This is from the wonderful PBS series entitled Evolution. When you get to the tool, simple click on Darwin's Diary to learn about Charles Darwin in his own words.

Exploring Leonardo is a virtual hands-on museum from the Science Learning Network. Explore the inventor's workshop, his life, linear and aerial perspective, and his right to left script. This site has interactive pages and activities that let you communicate your ideas electronically.

The name of this learning tool is The Mind of Isaac Newton. A wonderful web site which combines  images, audio, animations and interactive segments, the application gives students a sense of Newton's multifaceted mind. This creative and insightful resource comes to us from McMaster University.

The name of this "learning tool" is called Ancient Observatories. This incredibly well done web site features two ancient observatories:  Chaco Canyon and the Mayan Chicha Itza. The presentation of both of these observatories is dramatic and well-designed. Well worth the time of your students to get a sense of how other cultures explored the stars and skies. This tool was produced by one of the best science centers in the world, San Francisco's Exploratorium.

This visually stunning "learning tool" is called Dragon Skies: Astronomy of Imperial China. The visual design and content are tremendous. This tool is produced by the Chabot Space and Science Center.

The name of this "learning tool" is called Tuberculosis. In this interactive, you learn how  Robert Koch proved with certainty that the dreaded disease, tuberculosis, was caused by specific bacteria. How did he do it? Play the game and find out.   This comes to us from nobelprize.org, a wonderfully creative web site. The have many other educational games that you can link to from this site.

The First Flight: Flyers highlights the work of some of the most important scientists to explore and master the science of flying, including the Wright brothers.  There are shockwave simulations that demonstrate the different physics concepts involved. Be sure to try the web version of the flight simulator.

About 40,000 years ago the first anatomically modern humans suddenly and mysteriously revolutionized their cultures with dozens of specialized tools, weaponry, and artifacts. In Stone Age Toolkit, students consider what roles ten different kinds of primitive artifacts from Europe and North America played for our earliest ancestors.  This “learning tool” is brought to us by NOVA.

This is a tremendous "learning tool" called Medieval Levers. In this clever and textured interactive student are introduced to a medieval, first class lever called a Trebuchet. After a brief introduction, students are asked to build and test their own! This interactive was produced by Wonderville and the groundbreaking pioneers of science education at  Science Alberta.

Spectacular web site called Making the Modern World comes to us from the Science Museum. This learning tool brings you powerful stories about science and invention from the eighteenth century to today. It explains the development and the global spread of modern industrial society and its effects on all our lives. The site expands upon the permanent landmark gallery at the Science Museum.