Modern weather forecasting applies scientific knowledge to predict future atmospheric conditions across the globe from observations of the current state, made from land; at sea; in the air, and from space. Take a look at how scientists...

Read about the presidents who held office during most of the 1920s. Both were essentially unremarkable, but Warren Harding, whose administration was beset by scandal, did have some accomplishments. See why Calvin Coolidge was such a...

Read a biography of the mayor of Toledo, Samuel Jones, who followed Progressive principles. Find out how he treated his employees when he was in the oil business, and see how he tried to improve the lives of his constituents.

[Free Registration/Login Required] A directory of history resources (games, activities, puzzles, graphics) to be used as part of elementary study of Ancient Egypt and Greece, the Middle Ages, the Revolutionary War, and other topics....

During this lesson plan students are going to take a look at moon phases and sunrise-sunset times in order to learn about daylight hours. Students discover that we do not always have the same amount of daylight each day. This lesson plan...