Search

Search results

Displaying 81 - 90

O'Sullivan Dam

(Encyclopedia) O'Sullivan Dam, Wash.: see Columbia basin project.

Mather, John Cromwell

(Encyclopedia) Mather, John Cromwell, 1946–, American astrophysicist, b. Roanoke, Va., Ph.D. Univ. of California, Berkeley, 1974. He has been a researcher at NASA's Goddard Space Flight Center in…

Madeira, river, Bolivia and Brazil

(Encyclopedia) MadeiraMadeiramədāˈrə [key], river, c.2,100 mi (3,380 km) long, formed by the junction of the Beni and Mamoré rivers on the Bolivia-Brazil border. It flows north along the border for c…

Chesney, Francis Rawdon

(Encyclopedia) Chesney, Francis RawdonChesney, Francis Rawdonchĕzˈnē [key], 1789–1872, British soldier and explorer in Asia. His examination of a route for the Suez Canal (1829) demonstrated the…

Twin Falls

(Encyclopedia) Twin Falls, city (1990 pop. 27,591), seat of Twin Falls co., S Idaho, in the Snake River valley; inc. 1905. The city began as a center of a private irrigation project, which is…

Advanced-Level Science Projects: Copper Magic

Copper MagicAdvanced-Level Science ProjectsChemistryWhat's in a Color?Copper Magic This is an easy experiment to conduct, but interesting because it involves several chemical reactions and you get…

Advanced-Level Science Projects: Earth Science

Earth ScienceAdvanced-Level Science ProjectsEarth ScienceHow Much Oxygen Is in the Air?Which Is More Acidic, Snow or Rain? How Can Different Polymers Be Identified? It seems at times that we…

Advanced-Level Science Projects: Physical Science

Physical ScienceAdvanced-Level Science ProjectsPhysical ScienceCan a Visible Light Outshine Infrared Radiation?How Do Different Surfaces Affect the Momentum of Marbles? How Can You Use Physics to…