On 07/08/2021 the students of class XI attended a lecture series on the topic Thermodynamics conducted by Dr .I.Arockiaraj , Assistant Professor ,St Josephs college ,Trichy. Dr.I.Arockiaraj has 23 years of teaching experience and has received medals from Dr. A.P.J Abdul Kalam, ISRO Dr. Krishnan and Dr. Fatima Beevi. He has published 3 books in Chemistry and more than 20 papers in reputed national and international journals. He is also the board Chairman for university examinations. He introduced the concepts of Internal energy and Enthalpy using real life examples which were very simple and easy to understand. The children found it very interesting and actively participated in the lecture.