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English
Description
"What are atoms? We can't even see them, so how do we know they are real? This book introduces readers to the concepts that atoms are everywhere and that everything is made up of them. Readers will learn the history of atomic theory, from early Greek philosophers through John Dalton and Niels Bohr and on to current researchers in the field. Students will encounter high-tech tools such as the atomic force microscope and discover how scientists and...
Author
Language
English
Description
"Everything we can see and touch is matter-as well as some things we can't. We can tell the difference between the different kinds of matter through each one's properties, such as density, magnetism, and conductivity. Knowing about these properties and matching the right materials with the right jobs is essential for today's scientists, engineers, and inventors-and tomorrow's, too! Informative photographs and stimulating sidebars enhance the accessible...
Author
Language
English
Description
"This physical science volume addresses mixtures and solutions and the technology involved with creating and studying them. Readers will learn about the methods that chemistry pioneers used to arrive at an understanding of the nature of mixtures. Readers will also learn how to distinguish mixtures from solutions. Historical examples and contemporary examples from the fields of pharmacology and microelectronics will promote interest and understanding....
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