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DK Science: Heat Transfer

EVAPORATIONCONVECTIONCONDUCTIONRADIATIONFIND OUT MOREHeat energy can be transferred from one place to another by three main processes. In CONVECTION, heat energy is carried by the movement of…

The Iditarod

The Iditarod Alaska's marathon sled-dog race by Erin Teare The first Saturday in March marks the beginning of the Iditarod, a one thousand mile sled dog race across Alaska's harsh…

Animals in Uniform

For centuries, animals have been used to help fight wars. Before there were tanks, soldiers rode their horses into battle. Pack animals such as camels, mules, and horses carried ammunition and…

Where the Name Fits the Place—or Does it?

Is Greenland Green? No. Much of Greenland is covered with a thick blanket of ice. The Viking explorers called it Greenland in order to lure settlers!Is the Dead Sea Dead? Yes. There is no life in…

DK Science: Smell

SMELL RECEPTOR CELLS IN ROOF OF NOSE CILIA OF SMELL RECEPTOR CELL FIND OUT MORE Humans have a very keen sense of smell: we can detect thousands of different smells. This ability relies on…

The West

Source: The U.S. Department of State Americans have long regarded the West as the last frontier. Yet California has a history of European settlement older than that of most midwestern states.…

Andrew Jackson

Born: 3/15/1767Birthplace: Waxhaw, S.C. Andrew Jackson was born on March 15, 1767, in what is now generally agreed to be Waxhaw, S.C. After a turbulent boyhood as an orphan and a British prisoner,…

Star Wars (Film)

Quizzes, movie reviews, and actors   Movie poster for the Star Wars prequel, The Phantom Menace   Quizzes Star Wars: Episodes 1–3 (for beginners…