Students examine world history by writing an essay in class. In this World War II lesson, students identify the attack on Pearl Harbor, the response from the U.S and the effect it had on Japanese-Americans. Students define Japanese...

In this online quiz worksheet, students answer a set of questions about breeds of dogs. Answers may be submitted for review by clicking a link at the bottom of the page.

The discovery of radio waves, which was widely seen as confirmation of James Clerk Maxwell's electromagnetic theory and paved the way for numerous advances in communication technology, was made by German physicist Heinrich Hertz. In the...

At the turn of the 19th century, scientists were beginning to gain a rudimentary understanding of electricity and magnetism, but they knew almost nothing about the relationship between the two. Baltic German physicist Heinrich Lenz took...

Siegmund Loewe was a German engineer and businessman that developed vacuum tube forerunners of the modern integrated circuit. He pioneered both radio and television broadcasting, and the company he established with his brother, David...

Georg Simon Ohm had humble roots and struggled financially throughout most of his life, but the German physicist is well known today for his formulation of a law, termed Ohm's law, describing the mathematical relationship between...