International Trade AgreementsInternational TradeIntroductionExports, Imports—Why Bother?The Argument for Free TradeArguments Against Free TradeBarriers to International TradeInternational Trade…
What is this job like? Disc jockeys, sometimes called "deejays," put music on the radio. They also talk about the news, sports, and weather. Sometimes, they make commercials, talk with guests, and…
Notable African Americans
A-Z List Government Officials Civil Rights Leaders Religious Leaders Scientists & Inventors Abolitionists Scholars & Educators
Entertainers…
(Encyclopedia) helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces…
(Encyclopedia) Bowie, David, 1947–2016, British rock-and-roll singer and songwriter who successfully, merged rock, art, and fashion, b. London as David Robert Jones. After singing with five different…
(Encyclopedia) Stevens, family of U.S. inventors. John Stevens, 1749–1838, b. New York City, was graduated from King's College (now Columbia Univ.) in 1768. He studied law (1768–71) and soon joined…
THOMAS, Francis, a Representative from Maryland; born in that part of Frederick County, Md., close to South Mountain, known as Merryland tract, February 3, 1799; attended St. Johnâs College…
Does the pH of Water Affect the Growth of Bean Plants?
Intermediate-Level Science Projects
Does the pH of Water Affect the Growth of Bean Plants? Creating New Plants Through Cross-Pollination Do…
How Can You Be in Two Places at Once?Theories of the UniverseCracks in a Newtonian WorldFaster Than a Speeding Light WaveIt All Depends on Your PositionThe Relative Nature of Space and TimeGeological…
