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en.wikipedia.org/wiki/Phase_(matter)

In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.

en.wikipedia.org/wiki/List_of_states_of_matter

Classically, states of matter are distinguished by changes in specific heat capacity, pressure, ... Quantum spin Hall state: a theoretical phase that may pave the way for the development of electronic devices that dissipate less energy and  ...

www.grc.nasa.gov/www/k-12/airplane/state.html

Computer graphic showing the normal phases of matter; solid, liquid, and gas. ... Regardless of the type of molecule, matter normally exists as either a solid, ...

www.enchantedlearning.com/physics/Phasesofmatter.shtml

Matter can exist in four phases (or states), solid, liquid, gas, and plasma, plus a few other extreme phases like critical fluids and degenerate gases. Generally, as  ...

www.splung.com/content/sid/6/page/phasesofmatter

Phases of matter, introduction, cystaline solids, amorphous solids, liquids, gases, plasmas, degenerate materials, phase diagrams, triple point.

www.chem4kids.com/files/matter_states.html

"Phase" describes a physical state of matter. The key word to notice is physical. Things only move from one phase to another by physical means. If energy is ...

sciencing.com/solid-liquid-gas-phases-matter-8408542.html

Apr 25, 2017 ... Materials have a solid, liquid and gas form. Each of these forms is known as a phase of matter. In each of its phases the particles of a substance ...

www.livescience.com/46506-states-of-matter.html

Apr 11, 2016 ... Matter is the “stuff” of the universe. There are five known phases, or states, of matter: solids, liquids, gases, plasma and Bose-Einstein ...

www.britannica.com/science/phase-state-of-matter

phase: In thermodynamics, chemically and physically uniform or homogeneous quantity of matter that can be separated mechanically from a nonhomogeneous ...