Download or read book Matter and Energy written by Paul Fleisher and published by Twenty-First Century Books. This book was released on 2002-01-01 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the scientific principles behind the laws of conservation of matter, the combination of elements, the periodic table, and the first and second law of thermodynamics, and describes the work of the scientists who discovered them.