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science
(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...Ukraine
(Encyclopedia) CE5 Ukraine yo͞oˈkrān, yo͞okrānˈ [key], Ukr. Ukraina, republic (2015 est. pop. 44,658,000), 232,046 sq mi (601,000 sq km), E Europe. It borders on Poland in the northwest; on Slovakia, Hungar...Switzerland
(Encyclopedia) CE5 Switzerland swĭtˈsərlənd [key], Fr. Suisse, Ger. Schweiz, Ital. Svizzera, officially Swiss Confederation, federal republic (2015 est. pop. 8,320,000), 15,941 sq mi (41,287 sq km), central E...space science
(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...quantum theory
(Encyclopedia)quantum theory, modern physical theory concerned with the emission and absorption of energy by matter and with the motion of material particles; the quantum theory and the theory of relativity togethe...time , sequential arrangement of all events
(Encyclopedia)time, sequential arrangement of all events, or the interval between two events in such a sequence. The concept of time may be discussed on several different levels: physical, psychological, philosophi...radioactivity
(Encyclopedia) CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...Europe
(Encyclopedia) CE5 Europe yo͝orˈəp [key], 6th largest continent, c.4,000,000 sq mi (10,360,000 sq km) including adjacent islands (2015 est. pop. 740,814,000). It is actually a vast peninsula of the great Euras...Syria
(Encyclopedia) CE5 Syria sērˈēə [key], officially Syrian Arab Republic, republic (2015 est. pop. 18,735,000), 71,467 sq mi (185,100 sq km), W Asia. It borders on Lebanon and the Mediterranean Sea in the west,...South Carolina
(Encyclopedia) CE5 South Carolina, state of the SE United States. It is bordered by North Carolina (N), the Atlantic Ocean (SE), and, across the Savannah River, Georgia (SW). World War II and the postwar pe...Browse by Subject
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