Matter can be neither created nor destroyed, only converted from one form into another. true false temperature measures the total kinetic energy in a sample. true false when an object cools, it is gaining thermal energy. true false reactions that absorb energy are exothermic. true false thermal energy always flows from a higher temperature to a lower one. true false in science, the term heat is a synonym for the term temperature. true false kelvin temperatures can never have negative values. true false