Freezing, Melting and Boiling Crossword Puzzle

QUESTIONS LIST: thermal energy : heat energy, boiling point : the temperature at which a substance changes state from liquid to gas, condensation : the physical change in matter from a gas to a liquid, freezing point : the temperature at which a substance changes state from a liquid to a solid, constant : does not change, stays the same, physical state : the classification of matter as solid, liquid, or gas, temperature : the measurement of heat or cold of an object or environment that is shown in degrees on a thermometer, melting point : the temperature at which a substance changes state from a solid to a liquid, celsius : a temperature scale on which water freezes at 0 degrees and boils at 100 degrees, evaporation : the physical change in matter from a liquid to a gas