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El Salvador
El Salvador is a small country in Central America that will excite and intrigue young readers. There are beautiful beaches, volcanoes, and rain forests, as well as growing, lively …
Science of Volcanic Eruptions
Volcanic eruptions are natural disasters with fierce characteristics. They have the power to spew giant clouds of ash and lava into the air, trigger landslides that cover entire …
South Dakota
Help readers explore the geography, climate, history, people, government, and economy of South Dakota. The third edition of this popular series provides lists of key people, sites, …
Switzerland
From the high peaks of the Alps to the deep blue waters of Lake Geneva, Switzerland is a beautiful country in Europe. This country has a rich history and lively culture. Through …
How Does Heat Move?
Holding a cup of hot cocoa. Feeling the warm sun while sitting on a beach. Warming up a pot of soup on the stove. All of these activities involve the movement of heat. Heat is an …