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heated air expands phase change states of matter states of matter Figure 2: The atomic arrangements in (A) a crystalline solid, (B) an amorphous solid, and (C) a gas. Bernoulli model of gas pressure
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gas summary
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Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
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Albert Einstein in Washington, D.C. c. 1921-1923. Physicist
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state of matter
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Also known as: gaseous state
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heated air expands
heated air expands
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Category: Science & Tech
Key People:
Joseph Priestley
James Clerk Maxwell
Henry Cavendish
Joseph-Louis Gay-Lussac
John Dalton
Related Topics:
ideal gas
kinetic theory of gases
degenerate gas
gas laws
Joule-Thomson effect
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gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states. The remarkable feature of gases is that they appear to have no structure at all. They have neither a definite size nor shape, whereas ordinary solids have both a definite size and a definite shape, and liquids have a definite size, or volume, even though they adapt their shape to that of the container in which they are placed. Gases will completely fill any closed container; their properties depend on the volume of a container but not on its shape. Gases ...(100 of 12577 words)

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