(Encyclopedia) clepsydraclepsydraklĕpˈsĭdrə [key] or water clock, ancient device for measuring time by means of the flow of water from a container. A simple form of clepsydra was an earthenware…
(Encyclopedia) hydrolysishydrolysishīdrŏlˈĭsĭs [key], chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs…
(Encyclopedia) Great Artesian Basin, c.670,000 sq mi (1,735,300 sq km), between the Eastern Highlands and the Western Plateau, E central Australia, extending S from the Gulf of Carpentaria,…
(Encyclopedia) Delaware AqueductDelaware Aqueductdĕlˈəwâr, –wər [key], SE N.Y., 85 mi (137 km) long, carrying water from the Rondout Reservoir, Sullivan co., SE into the New York City water system at…
The Question: Why is a pond called a pond and a lake called a lake? I have a body of water that is 5 acres, 15 to 20 feet deep. How do I know what to call it…
(Encyclopedia) dew, thin film of water that has condensed on the surface of objects near the ground. Dew forms when radiational cooling of these objects during the nighttime hours also cools the…
(Encyclopedia) rainmaking, production of rain by artificial means now generally disregarded, though it is probable that rainmaking hastens or increases rainfall from clouds suitable for natural…
Why don't the oceans freeze? In the Arctic and Antarctic, they do. The ice cap at the North Pole is entirely over ocean; on the other hand, the ice is only a few feet deep. Oceans don't freeze…
How and Why Do Things Dissolve?ChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions When making a…
