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