20-69  |  Next 50 ››

All   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

Agricultural science   During the nineteenth century the agricultural sciences flourished in the Western world. When the century began there was not one person who devoted a career to the scientific investigation of agriculture; by the century's end, how... Study Pack: 4 Summaries About 21 pages (6,277 words) in 4 products

Alchemy   The vocable alchemia (or some alternate form such as ars chemica) appears in the West from the twelfth century onward in reference to the medieval quest for a means of transmuting base metals into gold, for a universal cure, and for the &#... Study Pack: 8 Summaries, 1 Quotes About 101 pages (30,247 words) in 9 products

Automatic dependent surveillance-broadcast Automatic dependent surveillance-broadcast (ADS-B) is a function on a properly equipped aircraft or surface vehicle that periodically broadcasts its state vector (horizontal and vertical position, horizontal and vertical velocity) and other... Study Pack: 1 Summary About 12 pages (3,730 words) in 1 product

Austria   Republic of Austria Republik Österreich CAPITAL: Vienna (Wien) FLAG: The flag consists of a white horizontal stripe between two red stripes. ANTHEM: Land der Berge, Land am Ströme (Land of Mountains, Land on the River). MONET... Study Pack: 4 Summaries About 100 pages (30,130 words) in 4 products

American Samoa   The Samoan archipelago consists of 15 inhabited islands in the South Pacific that are located approximately 14 degrees south latitude and between 171 and 173 degrees west longitude. The archipelago is a politically divided one. The easter... Study Pack: 2 Summaries About 34 pages (10,270 words) in 2 products

Alien Alien may refer to: if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } Science and engineering Alien (biology) Extraterrestrial life, in scientific context. Extraterrestrial life in popular cu... Study Pack: 1 Summary About 1 pages (411 words) in 1 product

Astronomer An astronomer is an individual who studies the universe primarily using telescopes. Astronomers rely on both observations of celestial objects, including planets, stars, and galaxies, and physical theories to better understand how these ob... Study Pack: 3 Summaries About 6 pages (1,647 words) in 3 products

Amoeboid Amoeboids are cells that move or feed by means of temporary projections, called pseudopods (false feet). They have appeared in a number of different groups. Some cells in multicellular animals may be amoeboid, for instance human white blood... Study Pack: 1 Summary About 2 pages (679 words) in 1 product

ASCII The American Standard Code for Information Interchange, or ASCII for short, is a computer code that uses 128 different encoding combinations of a group of seven bits, or pieces of information, to represent a number of alphanumeric features... Study Pack: 2 Summaries About 17 pages (5,090 words) in 2 products

America Asylum of the oppressed of every nation. O, Columbia, the gem of the ocean, The home of the brave and the free, The shrine of each patriot's devotion, A world offers homage to them. We the People of the United States, in Order to form a mo... Study Pack: 1 Summary, 1 Quotes About 4 pages (1,309 words) in 2 products

Austin Austin may refer to: Geographical locations In the United States: Austin, Texas, the state capital of Texas Austin, Arkansas Austin, Colorado Austin, Chicago, in Illinois Austin, Indiana Austin, Minnesota Austin, Nevada Austin, Oregon In Ca... Study Pack: 1 Summary About 1 pages (238 words) in 1 product

Animation   Animation is the art by which two-dimensional drawings or inanimate objects are turned into moving visual representations of three-dimensional (3-D) life. Computer animation uses computer hardware and software to make the animation process... Study Pack: 4 Summaries About 32 pages (9,710 words) in 4 products

Apollo An Etruscan god borrowed from the Greek pantheon (→ Apollon), latterly specified as god of thunder and lightning. He is pictured as naked except for a mantle which covers part of his body; on his head is a wreath of laurel and he hol... Study Pack: 1 Summary About 23 pages (6,832 words) in 1 product

Andre Agassi   Andre Agassi is perhaps the most popular tennis player in the United States. His television ads for Nike sportswear and Cannon cameras have been very successful and fans love his style, both on and off the court. For many years Agassi was ... Study Pack: 1 Biography, 2 Summaries, 1 Essay, 1 Quotes About 48 pages (14,283 words) in 5 products

Austro-Asiatic languages The Austroasiatic family, the principal linguistic substrate of mainland Southeast Asian languages, exists today as a patchwork of more than a hundred languages spread across an area that ranges from central India to Vietnam and from Yunna... Study Pack: 2 Summaries About 7 pages (2,054 words) in 2 products

Afro-Asiatic languages Language branch consisting of approx. 250 languages with about 175 million speakers in North Africa and southwest Asia which can be grouped into five or possibly six language families (Egyptian, Berber, Cushitic, Semitic, Chadic, and possi... Study Pack: 1 Summary About 8 pages (2,400 words) in 1 product

Andorra   Principality of Andorra Principat d'Andorra CAPITAL: Andorra la Vella FLAG: The national flag is a tricolor of blue, yellow, and red vertical stripes. The yellow stripe bears the coat of arms. ANTHEM: The Himne Andorra begins ... Study Pack: 3 Summaries About 32 pages (9,645 words) in 3 products

Arithmetic mean The arithmetic mean, or as it is sometimes referred to, the average of a data set, is the sum of all data values divided by the number of items in the set. A mean is considered to be a measure of central tendency--it describes a "typical" ... Study Pack: 2 Summaries About 5 pages (1,523 words) in 2 products

American Football Conference The American Football Conference (AFC) is one of the two conferences of the National Football League (NFL). The AFC was created after the NFL merged with the American Football League (AFL) in early 1970. The NFL's Cleveland Browns, Pittsbur... Study Pack: 1 Summary About 3 pages (948 words) in 1 product

Alaska by James Michener   The reason the Titanic's tragic collision on April 14, 1912 was so devastating was because the iceberg the ship hit appeared small, but was in fact extremely large. This is a property icebergs share: only about ten percent of the entire s... Study Pack: 1 Summary, 3 Essays, 3 Criticisms, 1 Quotes About 63 pages (18,735 words) in 8 products

Architecture (disambiguation) Architecture is the art and science of design and structure. Architecture may also refer to:... Study Pack: 1 Summary About 1 pages (168 words) in 1 product

Aldous Huxley   The novels, short stories, and essays of the English author Aldous Leonard Huxley (1894-1963) explore crucial questions of science, religion, and philosophy. Aldous Huxley was born into a family of intellectual prominence. His father, Leon... Study Pack: 7 Biographies, 2 Summaries, 1 Essay, 22 Criticisms, 1 Quotes About 305 pages (91,620 words) in 33 products

Ada ADA is a three-letter acronym that may refer to: Aerolineas de Antioquia - A Colombian Airline Aeronautical Development Agency of India's Ministry of Defence Adangme language as its ISO 639 code Adenosine deaminase Ada (programming language... Study Pack: 1 Summary About 1 pages (347 words) in 1 product

Aberdeen (disambiguation) Aberdeen is a city in Scotland. It may also refer to:... Study Pack: 1 Summary About 1 pages (335 words) in 1 product

Algae   Scientists' concepts of which organisms should be termed algae (alga, singular; algae, plural; algal, adjective) have changed radically over the past two centuries. The term algae originally referred to almost all aquatic, photosynt... Study Pack: 3 Summaries About 28 pages (8,423 words) in 3 products

Analysis of variance   Analysis of variance (ANOVA) and analysis of covariance (ANACOVA) are statistical techniques most suited for the analysis of data collected using experimental methods. As a result, they have been used more frequently in the fields of psych... Study Pack: 2 Summaries About 23 pages (6,861 words) in 2 products

Alkane The alkanes are the hydrocarbons where all of the carbons are bonded to the other carbon atoms by single bonds. Alkanes may exist in a chain structure (either straight or branched) or in a ring structure. Alkanes that are acyclic (not in a... Study Pack: 2 Summaries About 26 pages (7,657 words) in 2 products

Appeal A request by the losing party in a lawsuit that the judgment be reviewed by a higher court. Request to a higher court to change the decision of a trial court. Usually appeals are made and decided on FIGURE A.4 Aortic stenosis. (Courtesy of... Study Pack: 1 Summary About 10 pages (2,923 words) in 1 product

Answer A contextually specified type of statement: namely, the desired type of response to a question. A distinction is drawn between syntactically independent (What time is it?—It’s four o’clock) and dependent answers, and synt... Study Pack: 1 Summary About 2 pages (528 words) in 1 product

Arraignment In a criminal case, the proceeding in which an accused person is brought before a judge to hear the charges filed against him or her and to enter a plea of guilty or not guilty. Sometimes called preliminary hearing or initial appearance.... Study Pack: 1 Summary About 1 pages (415 words) in 1 product

America the Beautiful "America the Beautiful" is an American patriotic song.... Study Pack: 1 Summary About 6 pages (1,908 words) in 1 product

Artificial language Artificial language is a term used to denote any language created by a person or a group of people for a certain purpose, usually when this purpose is hard to achieve by using natural languages. An artificial language may be of the followin... Study Pack: 1 Summary About 0 pages (55 words) in 1 product

Assistive technology   Assistive Computer Technology for Persons with Disabilities The personal computer (PC) can be the backbone of independence for millions of individuals with sensory, physical, and learning disabilities. Computers and information technology ... Study Pack: 2 Summaries About 15 pages (4,529 words) in 2 products

Abacus   The abacus, an ancient calculating device, probably originated in Babylon around 2400 B. C. E. as a "counting box." It was the world's first calculator, and contemporary versions are still in use today. An abacus is a ... Study Pack: 8 Summaries About 27 pages (8,003 words) in 8 products

Acid   1.) Purpose - The purpose of the experiment was to classify biological solutions as acids or bases and to measure the pH of a solution while learning to relate the pH scale to how acidic or basic a solution is, and learning to explain how... Study Pack: 2 Summaries, 3 Essays About 22 pages (6,444 words) in 5 products

Asphalt A bituminous material of high molecular weight occurring both naturally and as a residue from the distillation of PETROLEUM. It is used as a waterproofing agent or additive and as a surfacing material for roads.... Study Pack: 1 Summary About 6 pages (1,744 words) in 1 product

American National Standards Institute The American National Standards Institute (ANSI) is a private, non-profit organization that serves as the United States administrator and coordinator for the voluntary private-sector standards system. Its statement of purpose is the "enhan... Study Pack: 2 Summaries About 6 pages (1,656 words) in 2 products

Argument The devil can cite Scripture for his purpose. If you can't answer a man's arguments, all is not lost; you can still call him vile names. When a thing is said to be not worth refuting you may be sure that either it is flagrantly stupid -- i... Study Pack: 1 Summary, 1 Quotes About 4 pages (1,285 words) in 2 products

Apollo 11 The Apollo 11 mission was the first manned mission to land on the Moon. It was the fifth human spaceflight of the Apollo program and the third human voyage to the moon. Launched on July 16, 1969, it carried Commander Neil Alden Armstrong, C... Study Pack: 1 Summary About 18 pages (5,246 words) in 1 product

Apollo 8 Apollo 8 was the first manned voyage to another celestial body. Its crew – Commander Frank Borman, Command Module Pilot James Lovell and Lunar Module Pilot William Anders – became the first humans to escape Earth's gravity and the first... Study Pack: 1 Summary About 26 pages (7,744 words) in 1 product

Astronaut   In the future, passenger flight into space is likely to become as routine as air travel. In the early twenty-first century, however, opening up the space frontier is the duty of a select cadre of highly trained individuals. In the United S... Study Pack: 5 Summaries About 29 pages (8,554 words) in 5 products

A Modest Proposal by Jonathan Swift   Any reasonable person would agree that the problem of immigration to the United States is a pressing one. All compassion for this unfortunate group of creatures aside, it must be recognized that they pose a grave threat to our nation. They... Study Pack: 1 Study Guide, 2 Summaries, 7 Essays, 20 Criticisms About 569 pages (170,585 words) in 30 products

Alkali metal   The alkali metals are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). All of the alkali metals are found in group IA (1) of the periodic table of the elements. Because chemical properties are determ... Study Pack: 2 Summaries About 13 pages (3,913 words) in 2 products

Argument form n. The specification, for a verb or predicate, of the number and types of arguments which it requires for well-formedness.... Study Pack: 1 Summary About 1 pages (282 words) in 1 product

Atomic number Atomic number is defined as the number of protons in the nucleus of an atom. This concept was historically important because it provided a theoretical basis for the periodic law. Dmitri Mendeleev's discovery of the periodic law in t... Study Pack: 4 Summaries About 7 pages (2,056 words) in 4 products

Affirming the consequent . Fallacy of arguing that if the consequent of a conditional statement is true, so is the antecedent, e.g., ‘If all cats are black, Tiddles is black; and Tiddles is black; so all cats are black.’ Sometimes, however, such an arg... Study Pack: 1 Summary About 2 pages (502 words) in 1 product

Andrei Tarkovsky   Russian film director Andrei Tarkovsky (1932--1986) was, arguably, the greatest filmmaker of his nation. While perhaps not the innovator that fellow Russian Sergei Eisenstein was, Tarkovsky nevertheless imbued each of his films with a poet... Study Pack: 1 Biography, 1 Summary About 18 pages (5,446 words) in 2 products

Ambiguity Ambiguity is the devil's volleyball. Emo Phillips If I take refuge in ambiguity, I assure you it's quite conscious. •Kingman Brewster, Jr. I fear explanations explanatory of things explained. •Abraham Lincoln Life is about not knowing,... Study Pack: 1 Summary, 1 Quotes About 14 pages (4,291 words) in 2 products

Animal (disambiguation) Animals are multicellular, heterotrophic eukaryotes. Because animals are unable to make their own food, they must have some means of ingesting food. They do this by consuming plants, other animals, or decomposing organic matter, or by abso... Study Pack: 3 Summaries About 3 pages (810 words) in 3 products

Aardvark The Aardvark (Orycteropus afer) ("Digging foot"), sometimes called "antbear"[1] is a medium-sized mammal native to Africa. The name comes from the Afrikaans/Dutch for "earth pig" (aarde earth, varken pig), because early settlers from Europe... Study Pack: 1 Summary About 4 pages (1,258 words) in 1 product