The third week of teaching was from 15.02.2021 to 19.02.2021. For online school teaching, I finished the chapter 'Diversity for sustenance' on Monday. Students asked doubts and they were clarified. And started the next chapter 'For the Continuity of Generations' on Tuesday. The topics covered for students on the week was 'Type of Reproduction', 'Fertilization in plants', 'Male reproductive system', 'Female Reproductive system' and What happens if fertilization didn't occur. Pollen tube growth in the stigma of flowers and fertilization process in plants were taught by showing videos on the same and it was very effective for students in understanding the process rather than mere explaining. Male and female reproductive system were explained using labelled diagrams. The process of menstruation which is very important for students to understand was also taught during this teaching week. Everyday, students doubts were clarified and they w...