States of Matter Crossword

2. a chart used to show conditions at which thermodynamically distinct phases occur and coexist at equilibrium.
3. a solid that lacks the long-range order.
4. the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
8. the transition of a substance directly from a solid state to a gas state.
13. the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure.
14. the name given to the force exerted by gas particles colliding with the wall of their container.
16. any solid material in which the component atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry.
17. the energy that an object possesses due to its motion.
20. the body of theory which explains the physical properties of matter in terms of the motions of its constituent particles.

1. conversion of a substance from the liquid or solid phase into the gaseous phase.
4. a space entirely devoid of matter.
5. an average pressure, temperature and air density for various altitudes.
6. the temperature at which a liquid turns onto a solid.
7. when a liquid turns into a gas.
9. the temperature and pressure at which the solid, liquid, and vapor phases of a pure substance can coexist in equilibrium.
10. the temperature at which a liquid boils and turns to vapor.
11. the pressure within the atmosphere of Earth.
12. the temperature at which a given solid will melt.
15. the SI derived unit of pressure used to quantify internal pressure, stress, Young’s modulus, and ultimate tensile strength.
18. an instrument measuring atmospheric pressure.
19. each of two or more different physical forms in which an element can exist