A lengthy biography of John D. Rockefeller, Sr., who created Standard Oil, and developed the idea of horizontal integration of business. In addition, it discusses his philanthropy and the good he did with his fortune. From the PBS...

By making and testing simple balloon rockets, students acquire a basic understanding of Newton's third law of motion as it applies to rockets. Using balloons, string, straws and tape, they see how rockets are propelled by expelling...

In this activity students will investigate the accuracy of sundials and the discrepancy that lies between "real time" and "clock time". They will track the position of the sun over the course of a relatively short period of time as they...

A day by day summary of all of the acquisitions and mergers of publically traded companies in the American business world.

This tutorial looks at the Second Industrial Revolution in the United States and the most famous and successful industrial entrepreneurs of that time. A PDF file of the tutorial is available.

In this activity, students will create their own simple compass, be able to explain how a compass works, understand that the Earth's magnetic field has both horizontal and vertical components, and learn more about cardinal directions.

John D. Rockefeller was a determined (some would say ruthless) businessman, who managed to gain control of all the oil refineries in Cleveland by 1872. Read about how he expanded his business while putting others out of business. [pdf]

This site explores how John D. Rockefeller built the first great industrial trust, as well as its subsequent investigations and dissolution.

A brief description of a merger, and what you can expect if a company that you have invested in is part of a merger.