PIS BARODA STD-7

 

2021-22 SCIENCE CH 7 Weather, Climate and Adaptations of Animals to Climate(NB AND WB EXERCISE) NEW WORDS                     H.W serrated camouflage papillae migration meteorologists   NEW TERMS Blubber: thick deposits of fat under the skin of animals of the polar regions   Camouflage: an adaptation in animals that helps them to hide or disguise their presence   Answer the following questions in short.  a. What is climate?  ANS. The average weather pattern of a place over a long period of time is called the climate of the place.  b. Define the term weather.  ANS.  Weather is the atmospheric condition of a particular place over a short period of time. Weather encompasses the natural events happening in the atmosphere each day. It is about the changes that take place in the atmosphere at a given place and time.  c. How does blubber help a polar bear?  ANS. The p...

  GRADE 7 PT 2 PORTION(SYLLABUS) 2021-22 ENGLISH  Std. VII [20 marks: 10m MCQ + 10m subjective] Unseen Comprehension Composition : 1.       Letter Writing Grammar : 1.      Conjunctions 2.      Prepositions Prose : 1.      The Blue Carbuncle Poetry: The Village Blacksmith

NOTEBOOK WORK

  SANSKRIT  [ 40 MARKS] हास्यबालककविसम्मेलनम  पंडिता रमाबाई  सदाचारः  संकल्पसिद्धिदायकः 

  WORKBOOK

 DATE- 23 / 8 / 21 DAY- MONDAY GRADE - 7 C Topic Taught - अनुछेद- लेखन  Homework - अनुछेद- लेखन की परिभाषा और ध्यान रखने योग्य बातें लिखिए | DATE- 24 / 8 / 21 DAY- TUESDAY GRADE - 7A Topic Taught - अनुछेद- लेखन  AT Homework - अनुछेद- लेखन की परिभाषा और ध्यान रखने योग्य बातें लिखिए | अनुच्छेद-लेखन  की परिभाषा किसी एक भाव या विचार को व्यक्त करने के लिए लिखे गये सम्बद्ध और लघु वाक्य-समूह को अनुच्छेद-लेखन कहते हैं। दूसरे शब्दों में-  किसी घटना, दृश्य अथवा विषय को संक्षिप्त किन्तु सारगर्भित ढंग से जिस लेखन-शैली में प्रस्तुत किया जाता है, उसे अनुच्छेद-लेखन कहते हैं। सरल शब्दों में-  किसी भी विषय को संक्षिप्त एवं प्रभावपूर्ण ढंग से प्रस्तुत करने की कला को अनुच्छेद लेखन कहा जाता है। अनुच्छेद लिखते समय निम्नलिखित बातों को ध्यान में रखना चाहिए : (1) अनुच्छेद लिखने से पहले रूपरेखा, संकेत-बिंदु आदि बनानी चाहिए। (2) अनुच्छेद में विषय के किसी एक ही पक्ष का वर्णन करें। (3) भाषा सरल, स्पष्ट और प्रभावशाली होनी चाहिए। (4) एक ही बात को बार-बार न दोहराएँ। (...

NOTEBOOK EXERCISE4.1,4.2,4.3

  CH- PHYSICAL AND CHEMICAL CHANGES(NOTEBOOK AND WORKBOOK EXERCISE)   NEW WORDS 1.galvanisation 2. rusting 3. antacid 4. anhydrous 5.reactivity NEW TERMS 1.    anhydrous: a substance that is free from water. 2.    Reactivity: it is the tendency of a substance to undergo a chemical reaction, either by itself or with other materials     Answer the following questions in one word or a sentence. a.    What is rust? ANS. A reddish-brown layer of iron oxide forms on iron articles which are exposed to air and moisture for a period of time. This reddish-brown layer is known as rust. The process of formation of rust is known as rusting.   b.    State the conditions necessary for rusting of iron. ANS. 1.AIR. 2.MOISTURE   c.    Give two examples of antacids. ANS. Magnesium hydroxide (milk of magnesia), aluminium hydroxide, sodium carbonate and calcium carbonate are common bases...

2021-22 SCIENCE CH  PHYSICAL AND CHEMICAL CHANGE (TOPICS TAUGHT AND HOMEWORK) DATE: 17 /8/2021 GRADE:  7 C CHAPTER:  PHYSICAL AND CHEMICAL CHANGES Diagnostic test-  Discussion TOPICS TAUGHT:  REVISED THE TOPICS OF TYPES OF CHANGES  Examples Explained. HOMEWORK:  FIND MORE EXAMPLES OF PHYSICAL CHANGES AND COMPLETE THE TUNE IN GIVEN IN T.B DATE: 18/8/2021 GRADE: 7C CHAPTER: PHYSICAL AND CHEMICAL CHANGES TOPICS TAUGHT Some of the properties of a chemical change or chemical reaction are: Change in energy Change in color Evolution of gas Formation of precipitate   Change in energy: Almost all chemical reactions involved energy change. Some chemical reactions produce heat while some take away heat. A change or reaction in which heat is released is called an exothermic reaction. For example; In a reaction between carbon and oxygen, carbon dioxide is formed with the generation of heat. Carbon + Oxygen ……. Carbon dioxide + Heat   A ...