Vocabulary Choice Board Puzzle

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Across
  1. 3. the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification.
  2. 5. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
  3. 6. the force exerted per unit area.
  4. 7. conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase.
  5. 10. firm and stable in shape
  6. 11. conversion of a substance from the solid to the gaseous state without its becoming liquid.
  7. 12. the ability or tendency to float in water or air or some other fluid.
Down
  1. 1. a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
  2. 2. increase in linear dimensions of a solid or in volume of a fluid because of rise in temperature
  3. 4. the body of theory which explains the physical properties of matter in terms of the motions of its constituent particles.
  4. 8. the state of being thick, sticky, and semifluid in consistency, due to internal friction.
  5. 9. an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors).