PIS BARODA STD - 9

DATE:  28/7/2021 GRADE:  IX A Practical- Chemistry- Distinguish Between Mixture and Compound TOPICS TAUGHT:    Let’s study how matter is classified! All matter can be classified into two categories: pure substances and mixtures. A pure substance consists of elements or compounds. Furthermore,mixtures can be classified into homogeneous (uniform appearance and composition throughout) and heterogeneous(made of different substances). Link for video-  https://youtu.be/C2RqAE0wbqk * DT for Chapter 2  https://forms.gle/2micnM7kaER7sJwc9 Homework- Complete Practical in Lab Journal.

 A Truly Beautiful Mind Date- 27/7/21 Topics covered- Reading of the chapter and explanation. New words and meanings. Extempore activity Date- 28/7/21 Topics taught- Summary of the chapter and discussion of textual exercise. Comprehension Questions :   Read the following extracts and answer the questions that follow in one or two lines each. 1.         At the age of two-and-a-half, Einstein still wasn’t talking. When he finally did learn to speak, he uttered everything twice. Einstein did not know what to do with other children, and his playmates called him “Brother Boring”. (a)    Why does the writer point out that Einstein wasn’t talking till the age of two-and-a-half? The writer points out that Einstein wasn’t talking till the age of two-and-a-half to clarify that outwardly his growth parameters were slower as compared to other children of his age.   (b)    How did Einstein speak when he finally started