In 1909, the predominantly immigrant and female workers in New York City's garment industry staged a series of job walkouts that led to a massive general strike involving more than 20,000 workers. Fifteen-year-old shirtwaist worker Clara Lemlich, a Jewish immigrant from Russia, emerged as a key organizer ...

The 1883 adoption of four standard time zones did not come easily. Many Americans, particularly those who continued to mark the passage of time by the natural rhythms of the sun, resisted the efforts of railroad officials and scientists to impose standard time on the nation. William F. Allen, the first ...

Students will be introduced to the definition mode of writing. Students will learn to define a particular subject by responding in an editorial format. Students will first compose an editorial graphic organizer, which will aid in composing a completed editorial using the writing process.

The Japanese attack on Pearl Harbor, Hawaii, on December 7, 1941, stunned virtually everyone in the United States military. Japan's carrier-launched bombers found Pearl Harbor totally unprepared. President Franklin Roosevelt quickly addressed Congress to ask for a declaration of war. In the wake of ...

In the early 20th century, new household technology was both accomplished and inspired by the tremendous increase in American industrial production. As in industry, mechanization and scientific management were part of a larger reorganization of work. And as in industry, efficient housekeeping was partially ...

A quick check of effectiveness for school administrators.

Organized temperance movements have been part of the American political landscape since the early 19th century. Reform groups, dominated at various times by clergy, social elites, workingmen, and clubwomen, tried alternately to convince individuals to take a pledge against drinking alcohol, to promote ...

Father Charles Coughlin occupied both a strange and a familiar place in American politics during the 1930s. Politically radical, a passionate democrat, he nevertheless was a bigot who freely vented angry, irrational charges and assertions. A Catholic priest, he broadcast weekly radio sermons that by ...

As part of my presentation for the K12 Online Conference I am publishing this 50 page document. It is a combination of the 50+ RSS Ideas for Educators document and the Teaching Hacks wiki. It is geared towards an introduction to RSS, but carries on a bit further into topics such as tagging, social ...

In 1927, responding to the seemingly overpowering claims of advertisers and mass marketers, engineer Frederick Schlink and economist Stuart Chase published Your Money's Worth, which argued for an "extension of the principle of buying goods according to impartial scientific tests rather than according ...

The exhibition 1492: AN ONGOING VOYAGE describes both pre- and post-contact America, as well as the Mediterranean world at the same time. Compelling questions are raised, such as: Who lived in the Americas before 1492? Who followed in the wake of Columbus? What was the effect of 1492 for Americans throughout ...

The deadly lung disease silicosis is caused when miners, sandblasters, and foundry and tunnel workers inhale fine particles of silica dust--a mineral found in sand, quartz, and granite. In 1935, approximately 1,500 workers--largely African Americans who had come north to find work--were killed by exposure ...

In this lesson, students use a guided reading to look at a report on the status of education in North Carolina in 1869, and discuss the reasons given then for why the Governor and Legislature should support educating North Carolina's children. They are provided an opportunity to compare and contrast ...

Students will practice measuring length and calculating perimeter.

A short six question quiz to see how much you know about 18th Century Ireland

In this activity, students determine their own eyesight and calculate what a good average eyesight value for the class would be. Students learn about technologies to enhance eyesight and how engineers play an important role in the development of these technologies.

Worksheet containing six multiple choice questions about 2D shapes.

Worksheet with six multiple choice questions about three-dimensional shapes such as cubes, cuboids, cones, etc.

What does 100 look like? Sound like? Feel like? In this video from Curious George, explore the many ways to measure 100 things.

In this video segment from Cyberchase, the CyberSquad replaces a piece of track to get the Madre Bonita Express to the Mother's Day harvest.