- ›› Curriculum Subject : Science, Technology, Engineering and Math
Students will examine primary sources including letters, a patent, photos, and diagrams to identify and describe the technological invention and development of the telegraph that evolved during the nineteenth century.Background:
Prior to 1830, communication across the country was limited to overland mail, which took approximately a month to reach its destination, or by the pony express, which...
During the time of the American Revolution, much of the land in the colonies was not mapped. In his early years, George Washington was a surveyor and measured land to figure out the location of property.Materials Rope or string measuring 10- to 12-feet long Stakes—if working on grass Tape—colored if possible Graph, centimeter, or one-inch grid...
Benjamin Franklin was a scientist and an inventor. As he got older, he noticed he needed glasses for reading and seeing things far away. Franklin solved this problem by inventing bifocals, which were glasses made with two different lenses, one for seeing things up close, and the other for seeing things far away.
Water acts just like corrective lenses made of plastic or glass. The water refracts or changes the direction of a light beam. A water lens is known as a convex lens because it curves out in the middle....
The inauguration of a new service, the Pony Express, on April 3, 1860, promised the fastest communication ever from the Missouri River to California. How long did a Pony Express message take to go from its starting point in St. Joseph, Missouri to Sacramento, California? How many years was the Pony Express in existence? How many riders were employed? What hardships did the riders experience? Finding the answers to these questions and many more like them captivates youngsters, encouraging them to read...
Your classroom will never be the same.
Digital storytelling offers a revolutionary new way to engage students in the study of history. Using free, easy-to-use software, you and your students can create professional-looking historical documentaries that can be shown and shared on computer or television screens. These stories weave together images, text, narration, charts and graphs, and a musical soundtrack, just like the documentaries found on PBS or the History Channel.
Digital storytelling is active,...
Entertainment is always a national asset. Invaluable in time of peace, it is indispensable in wartime.—Franklin D. Roosevelt, 1943Background
Music during World War II had an unprecedented impact on America, both on the home front and on troops serving overseas. Unlike World War I, which occurred in the pre-radio era, by December 1941, virtually every American household, 96.2 percent, owned radios. Never before had recordings of songs and live...
Some 40,000 years from now, give or take a few millennia, someone, somewhere in the universe may find and listen to the Golden Record, NASA’s attempt to describe Earth and its peoples to anyone out there who might be interested. There are actually two copies of the Golden Record, each on its own spacecraft, Voyager 1 and Voyager 2, which were launched out into the cosmos in 1977, one year after the Bicentennial of the United States and almost five centuries after the first sustained encounters between the peoples of the...