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A Primer for the Exercise and Nutrition SciencesMatter and Energy

A Primer for the Exercise and Nutrition Sciences: Matter and Energy Chapter 4 4.1 Matter Matter is regarded as any substance that occupies space; it exists in three states: solid, liquid, and gas (these states can undergo physical change as a result of heat- ing or cooling where for example ice, water, and water vapor describe the different states of H O). Matter has properties by which it is recognized. We can identify some of these properties with the use of our senses: sight, touch, smell, taste. Other properties are described in the context of melting, boiling, and freezing points, den- sity, electrical properties; the list goes on. An element cannot be broken down into any other substance so that each ele- ment represents an original type of matter. Ninety-nine percent of the human body is made up of only six elements, oxygen (O), carbon (C), hydrogen (H), nitro- gen (N), calcium (Ca), and phosphorous (P). Earth’s matter is presently known to consist of 85 natural elements, all of which are displayed in the periodic table (Fig. 4.1). Each element is made of the same kind of atom. Atoms consist of a densely packed nucleus containing positively charged protons (+) and neutrons that carry no charge. Negatively charged electrons (−) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Primer for the Exercise and Nutrition SciencesMatter and Energy

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References (2)

Publisher
Humana Press
Copyright
© Humana Press 2008
ISBN
978-1-60327-382-4
Pages
17 –25
DOI
10.1007/978-1-60327-383-1_4
Publisher site
See Chapter on Publisher Site

Abstract

Chapter 4 4.1 Matter Matter is regarded as any substance that occupies space; it exists in three states: solid, liquid, and gas (these states can undergo physical change as a result of heat- ing or cooling where for example ice, water, and water vapor describe the different states of H O). Matter has properties by which it is recognized. We can identify some of these properties with the use of our senses: sight, touch, smell, taste. Other properties are described in the context of melting, boiling, and freezing points, den- sity, electrical properties; the list goes on. An element cannot be broken down into any other substance so that each ele- ment represents an original type of matter. Ninety-nine percent of the human body is made up of only six elements, oxygen (O), carbon (C), hydrogen (H), nitro- gen (N), calcium (Ca), and phosphorous (P). Earth’s matter is presently known to consist of 85 natural elements, all of which are displayed in the periodic table (Fig. 4.1). Each element is made of the same kind of atom. Atoms consist of a densely packed nucleus containing positively charged protons (+) and neutrons that carry no charge. Negatively charged electrons (−)

Published: Jan 1, 2008

Keywords: Kinetic Energy; Potential Energy; Internal Energy; Atomic Nucleus; Valence Electron

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