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programmed instruction
(Encyclopedia) programmed instruction, method of presenting new subject matter to students in a graded sequence of controlled steps. Students work through the programmed material by themselves at…cribbage
(Encyclopedia) cribbagecribbagekrĭbˈĭj [key], card game played by two persons with a deck of 52 cards and a scoring (pegging) device known as a cribbage board. The board contains four rows of 30…heath, tract of open land
(Encyclopedia) heath, tract of open land characterized by a few scattered trees, abundant moss cover, and numerous low shrubs, principally of the heath family (see heath, in botany). In high-latitude…Crapsey, Adelaide
(Encyclopedia) Crapsey, AdelaideCrapsey, Adelaidekrăpˈsē [key], 1878–1914, American poet, b. Brooklyn, N.Y., grad. Vassar, 1901; daughter of Algernon Sidney Crapsey. After teaching in girls' schools…Keeling, Charles David
(Encyclopedia) Keeling, Charles David, 1928–2005, U.S. geochemist, b. Scranton, Pa., Ph.D. Northwestern Univ., 1954. As a postdoctoral fellow at the California Institute of Technology (1953–56), he…Ohthere
(Encyclopedia) OhthereOhthereōthērˈə [key], fl. 880, Norse explorer. His account of his voyage around the North Cape, along Lapland, and into the White Sea was incorporated by Alfred the Great in the…gooseflesh
(Encyclopedia) gooseflesh, temporary rumpling of the skin into tiny bumps, also called goose bumps and goose pimples, and technically known as cutis ansirina. In response to cold or certain emotional…Venetiaan, Ronald
(Encyclopedia) Venetiaan, Ronald (Runaldo Ronald Venetiaan)Venetiaan, Ronaldvēnēsēänˈ [key], 1936–, Surinamese political leader, president of Suriname (1991–96, 2000–2010). A mathematician by…bur marigold
(Encyclopedia) bur marigold or sticktight, common name for any species of Bidens, a genus of chiefly weedy North American plants of the family Asteraceae (aster family) with two-pronged burlike…Bennigsen, Rudolf von
(Encyclopedia) Bennigsen, Rudolf vonBennigsen, Rudolf vonr&oomacr;ˈdôlf fən bĕnˈĭksən [key], 1824–1902, German political leader. A liberal nationalist from Hanover, he favored German unification…Trending
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