Fill in the Blanks Energetics terms and concepts 1Online version Fill in the blanks! by Elin Dæhlen 1 Heat , , is measured in J or kJ and temperature is measured in or Celcius . Absolute zero is at - . K . An open system is a system where energy matter can be exchanged between the system and the surroundings . A closed system is a system where , but not can be exchanged between the system and the surroundings . An isolated system is a system where energy and matter be exchanged between the system and the surroundings .