It's no small wonder that a lightbulb has come to represent a bright idea. The light bulb, the bright idea of Thomas Edison, was just one of his over 1,000 inventions. A teacher's guide introduces young audiences to works of the man who...

What effect did innovations like the Bessemer Process, the light bulb, and the telephone have on the industrialization of the United States? Here is a nice graphic organizer that will help your young historians approach this question.

America was built on the ingenuity, work ethic, and foresight of our ancestors. Sixth graders learn about the complex Gilded Age in American history, including the prominent inventors and captains of industry, and how they all connect...

Adult language learners will benefit from this 20-slide presentation about active and passive voice constructions. Learners craft active and passive voice questions in the simple present and simple past tenses.