interconversion of states of matter
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Answers:Bring in an ice cube, a small glass dish, and some type of Bunsen burner. Show how the ice cube starts as a solid, melts to a liquid, and then evaporates as it boils to a gas. If you bring in a jug, or thermos with a lot of ice in it, then you should have plenty of unmelted ice cubes to work with. If your class is at the end of the day, ask someone in the cafeteria if they can keep it in the freezer for you. Each of you can take turns talking about each phase.
Answers:solid liquid gas plasma Bose-Einstein condensates There may also be Fermi condensates. The last ones exist in extreme cold conditions. Light passing through a BEC slows down - to 38mph in one experiment.
Answers:The most familiar examples of states of matter, also called phases, are solids, liquids, and gases. Less familiar phases include: plasmas and quark-gluon plasmas; Bose-Einstein condensates and fermionic condensates; strange matter; liquid crystals; superfluids and supersolids; and the paramagnetic and ferromagnetic phases of magnetic materials.
Answers:three classical state solid liquid gas the fourth state of matter? The fourth state of matter is plasma. Plasma is an ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons, to coexist. In effect a plasma is a cloud of protons, neutrons and electrons where all the electrons have come loose from their respective molecules and atoms, giving the plasma the ability to act as a whole rather than as a bunch of atoms. Plasmas are the most common state of matter in the universe comprising more than 99% of our visible universe and most of that not visible. Plasma occurs naturally and makes up the stuff of our sun, the core of stars and occurs in quasars, x-ray beam emitting pulsars, and supernovas. On earth, plasma is naturally occurring in flames, lightning and the auroras. Most space plasmas have a very low density, for example the Solar Wind which averages only 10 particles per cubic-cm. Inter-particle collisions are unlikely - hence these plasmas are termed collisionless.