<iframe title="Grade -11- Science - Heat - E-Learning Programme of Jaffna Hindu College" width="618" height="348" src="https://www.youtube.com/embed/THIz8f5IOhI?list=PLZ73qEJ5eGslQrM_vvnYnMZlo-4MzTYde" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>