Houghton Mifflin Harcourt
Harcourt: Biographies: Jonas Salk
An account of the man who developed the polio vaccine, Jonas Salk. Along with his biography, there are additional links to related articles and notes.
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Harcourt: Biographies: Charles Babbage
Charles Babbage, described as being "ahead of his time," built mathematical machines called Difference Engine #1, Difference Engine #2, and Analytical Engine. Read a brief biography, see images of Babbage's machines, and learn about his...
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Harcourt: Biographies: John Bartram
This is a detailed biographical account of the life of botanist John Bartram. Includes pictures and links to additional material for better understanding.
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Harcourt: Biographies: Alexander Graham Bell
This biography is a great resource for information on Alexander Graham Bell. Includes links for additional information also.
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Harcourt: Biographies: Benjamin Bradley
Learn about inventor and African-American slave, Benjamin Bradley, developer of a steam engine large enough to run the first steam-powered warship.
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Harcourt: Biographies: Annie Jump Cannon
This is a fantastic account of the life of astronomer, Annie Jump Cannon. Included in this biography are additional links to photographs of her tools and her accomplishments.
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Harcourt: Biographies: Albert Einstein
A fantastic account of Einstein's life in this biography. A detailed look at his life complete with additional links of information and photographs.
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Harcourt: Biographies: Enrico Fermi
Read about the work of Italian physicist Enrico Fermi and learn how he showed the world the power of the atom.
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Harcourt: Biographies: Robert Fulton
This biography is a great resource on Robert Fulton and what he had accomplished throughout his life. Additional links to photographs of his creations are available as well.
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Harcourt: Biographies: Johannes Gutenberg
This brief account of Gutenberg's life is an excellent resource. Additional links to photographs of his equipment and works are available also.
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Harcourt: Biographies: Edward Lorenz
This is an interesting biography about Edward Lorenz. It discusses his ideas about meteorology, such as using mathematical formulas to predict the weather, and his butterfly effect theory.
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Harcourt: Biographies: Guglielmo Marconi
This is an account of Marconi's life that discusses all of his discoveries up to his Nobel Prize awarded in 1909 for physics. Additional links for extra information are also provided.
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Harcourt: Biographies: Samuel F. B. Morse
An account of Samuel Morse's life and career, with links to related information. Uses popups for photos.
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Harcourt: Biographies: Samuel F. B. Morse
An account of Samuel Morse's life and career, with links to related information.
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Harcourt: Biographies: Norbert Rillieux
A biography of Norbert Rillieux. Offers a look at his struggles growing up and of his great accomplishments as an inventor. Additional links to supplemental material is available also.
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Harcourt: Biographies: Ernest Rutherford
This is an account of Nobel Prize winner Ernest Rutherford's life. It tells of his accomplishments in the field of chemistry and physics. There are additional links to supplemental material as well.
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Harcourt: Biographies: Carolyn Shoemaker
This is a biography of Carolyn Shoemaker. This account tells of her growing up with no interest in science, then discovering more comets and asteroids than any other living astronomer. Links to additional material and photographs are...
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Harcourt: Biographies: Eli Whitney
This is a great resource for Eli Whitney. Details his development of the cotton gin, and offers additional information through outside links.
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Harcourt: Biographies: Orville & Wilbur Wright
Brief biography on Orville and Wilbur Wright. Read how the Wright brothers' work with bikes, kites, and gliders led to human flight.
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Harcourt: Biographies: Granville T. Woods
A fascinating biography of Granville T. Woods. It tells of his impact on railroad transportation, and how some of his inventions are still used today. Links with additional information are also available.
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Harcourt: Biographies: Chien Shiung Wu
A great resource on one of the scientists that worked on the Manhattan Project, Chien-Shiung Wu. Read about some of her contributions to physics, read a brief overview of the Manhattan Project, and learn about the law of Parity, an idea...
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Harcourt: School Publishers: Welcome to Bike Safe
Harcourt School Publishers has provided terrific information regarding bike safety. This site suggests ways to safe proof your bike to prevent unwanted surprises while riding. Easy to follow links guide the visitor through hand signals...
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Holt, Rinehart and Winston: Allez, Viens! French Vocabulary Food
This is an interactive practice activity for reviewing food vocabulary. Students identify the food and fill in the answer blanks in the sentences.
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Holt, Rinehart and Winston: World Atlas: Brunei
This is a good map of Brunei showing its rivers, some relief, and makes clear the two parts that make up this country on the island of Borneo. Also included are some quick facts. From Holt, Rinehart, and Winston.