COMMUNICATIONS SATELLITE HOW DOES A TELEPHONE WORK? HOW DOES A RADIO WORK? HOW DOES A TELEVISION WORK? HOW DOES A CELL PHONE WORK? BIOGRAPHY: GUGLIELMO MARCONI Italian, 1874-1937 ELECTROMAGNETIC…
WHAT IS AN ELECTRIC CURRENT? WHEN DOES CURRENT FLOW IN A CIRCUIT? WHAT MAKES CURRENT FLOW IN A CIRCUIT? BATTERYCOMPONENTSFIND OUT MOREAn electric current flows in a loop, powering bulbs or other…
by L. Frank Baum DOROTHY LIVED IN THE MIDST of the great Kansas prairies, with Uncle Henry, who was a farmer, and Aunt Em, who was the farmer's wife. Their house was small, for the…
Sympathetic: Yikes!Anatomy and PhysiologyThe Central and Peripheral Nervous SystemsYou've Got Some Nerve!Gyri and SulciThe Control CenterSensory and Motor ControlThalamus: The Switching…
Crime and Punishment: The Long Way HomeClassical MythologyCrimes of Passion: Jason, Medea, and the ArgonautsAssembling the ArgonautsIn Search of AdventureWitch Way to the Golden FleeceCrime and…
Chinese New Year is the longest and most important celebration in the Chinese calendar. The new year begins on the first day of the Chinese calendar, which usually falls in February, and the…
NIBLACK, Silas Leslie, (cousin of William Ellis Niblack), a Representative from Florida; born in Camden County, Ga., March 17, 1825; attended the common schools; studied law; was admitted to…
Indicates that part of a word of more than one syllable has been carried over from one line to the next: During the revolution, the nation was be-set with problems—looting, fighting, and famine.…
explorerBorn: c. 1371Birthplace: China An admiral in the Imperial Chinese navy, Zheng He made seven voyages to Southeast Asia, India, and Africa to explore and trade. In 1405 Zheng made his first…
BAILEY, Joseph, a Representative from Pennsylvania; born in Pennsbury Township, Chester County, Pa., March 18, 1810; attended the common schools; learned the trade of a hatter, which he…
