Explain how applied heat works between and at critical temperatures. Explain how a refrigerator works to cool down warm objects that would otherwise be room temperature. Fill in the chart below to identify the name of the process that explains the state of change indicated, the states of matter being changed, or the points at which the process occurs. Changing from a to a is called and happens at the point. solid liquid liquid evaporation/boiling evaporation/boiling liquid condensation solid freezing