Curated OER
Mathematical Wackie Wordies
In this word learning exercise, 9th graders examine pictures and write a mathematical phrase to describe the picture. This one-page learning exercise contains 25 problems. Answers are provided.
Curated OER
Slope as a rate of change
In this Algebra I/Algebra II worksheet, students examine the slope of line as the rate of change between the dependent and independent variables. The one page worksheet contains two multiple choice questions. Answers are...
Curated OER
Writing a Function Rule
For this Algebra I/Algebra II worksheet, students determine the equation that correctly represents the relationship between the x and y values provided. The one page worksheet contains four multiple choice problems. Answers...
Curated OER
Living Longer
Students relate health information text to themselves and society. In this health information lesson, students answer questions using the 5 W's based on the health issue they are reading about. Students discuss life...
Curated OER
Using Magnetotactic Bacteria to Study Natural Selection
Learners demonstrate that living organisms may possess incredible adaptations which enable them to survive. They observe bacteria that are able to orient themselves using the Earth's magnetic field and formulate a hypothesis as to how...
PBS
Pbs: American Experience: The Rockefellers: John D. Rockefeller, Senior
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...
TeachEngineering
Teach Engineering: Rocket Power
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...
TeachEngineering
Teach Engineering: Portable Sundial
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...
Other
The Online Investor: Mergers & Acquisitions
A day by day summary of all of the acquisitions and mergers of publically traded companies in the American business world.
CPALMS
Florida State University Cpalms: Florida Students: Captains of Industry: Second Industrial Revolution
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.
TeachEngineering
Teach Engineering: Northward Ho!
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.
![Digital History: John D. Rockefeller in Cleveland [Pdf] Website](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Digital History: John D. Rockefeller in Cleveland [Pdf] Website")
Digital History
Digital History: John D. Rockefeller in Cleveland [Pdf]
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]
Other
John D. Rockefeller and the Standard Oil Company: The Standard Oil Trust
This site explores how John D. Rockefeller built the first great industrial trust, as well as its subsequent investigations and dissolution.
Other
U.s. Securities and Exchange Commission: Mergers
A brief description of a merger, and what you can expect if a company that you have invested in is part of a merger.