Though people have surely commented on hot and cold weather for thousands of years, our most commonly used temperature scales both date from the eighteenth century. Daniel Gabriel Fahrenheit, who also played a key role in the development of the modern thermometer, invented the Fahrenheit scale. The Celsius scale is named after Anders Celsius, who not only developed it but also made important observations on the aurora borealis. Kids will learn about both scientists in this fascinating dual biography.
Explores the life of Alexander Graham Bell, the son of a deaf mother and husband to a deaf wife, his lifelong talent for inventing things, and his development of the telephone.
Darwins deep curiosity about the natural world inspired the intensive research that led him to develop his theory of evolution. This fascinating book offers a lucid explanation of how natural selection drives evolution. It also explains how Darwin came to his revolutionary conclusions. Historical photographs, a useful timeline, and an enlightening page of science facts will help readers get the most out of this resource.
In 1898, Marie and Pierre Curie discovered two new elements, polonium and radium. These discoveries were important, but even more important was their investigation of the radioactivity that these two elements demonstrated. This book traces the scientists stories, covering matters as varied as Pierres early experiments in magnetism and Maries work in World War I. Young readers will be inspired by the couples many accomplishments.
Known as the father of modern science, Galileo Galilei made major contributions both to our scientific knowledge and to the modern concept of science. Among his greatest achievements was the building of one of the first truly useful telescopes. He used this telescope to observe phenomena, such as the moons orbiting Jupiter and the phases of Venus, which helped prove that Earth is not the center of the universe. This book shares biographical and historical information of the man and his inventions, with fun fact sheets and a helpful timeline as well.
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