CO MPASS SERIES science workbook part - 2 3 Name: Learn@Home Sec�on: Roll No.: School:
Preface ClassKlap partners with schools, supporting them with learning materials and processes that are all crafted to work together as an interconnected system to drive learning. Our books strive to ensure inclusiveness in terms of gender and diversity in representation, catering to the heterogeneous Indian classroom. ClassKlap presents the Traveller series, designed specifically to meet the requirements of the new curriculum released in November 2016 by the Council for the Indian School Certificate Examinations (CISCE). Guiding principles: The 2016 CISCE curriculum states the following as its guiding principles for Science: Theme-based learning Relating science learning to the daily-life experiences of students Focus on skill/process development Providing opportunities for knowledge construction Infusion of environmental issues into the content Each of these principles resonates with the spirit in which the ClassKlap textbooks, workbooks and teacher companion books have been designed. The ClassKlap team of pedagogy experts has carried out an intensive mapping exercise to create a framework based on the CISCE curriculum document. Key features of ClassKlap Traveller series: Theme-based content that holistically addresses all the learning outcomes specified by CISCE curriculum Opportunities for experimentation, analysis and synthesis of ideas and concepts Exposure to locally relevant environmental problem solving Focus on science-specific vocabulary building Promotion of participatory and contextualised learning through the engagement of all relevant stakeholders in the learning process All in all, the Traveller Science books aim to enhance the learning of science, development of scientific temper and curiosity towards scientific activities along with the inculcation of healthy habits for environmental protection. – The Authors
Workbook Features • Use of simple, age-appropriate language • Situation-based questions to foster real life skills • Use of image-based questions to build analytical skills • Focus on improving creativity through activities I Remember I Understand • Questions that are aimed at • Q uestions that are aimed at helping students recollect helping students engage with critical information related to the ‘how’ and ‘why’ of the the ‘who’, ‘what’, ‘when’ and concept ‘where’ of the concept I Explore (H.O.T.S.) I Apply • E xtending the application of the • Applying the understanding concept to more advanced of the concept to questions and challenging questions which based on application of the meet the criteria of higher order concept in real-life scenarios thinking skills
Contents 6 Plants and Plant Products�������������������������������������������������������������������������������1 7 Forms of Matter������������������������������������������������������������������������������������������������6 8 Properties of Water����������������������������������������������������������������������������������������10 9 Water as a Resource�������������������������������������������������������������������������������������15 1 0 Sun as a Source of Energy����������������������������������������������������������������������������19 1 1 Healthy Surroundings, Healthy Body�����������������������������������������������������������24
6Lesson Plants and Plant Products I Remember Multiple Choice Questions 1) Which of the following plants have a small, weak and soft stem? [ ] ] (A) shrubs (B) herbs (C) trees (D) climbers 2) Which of the following is a fruit? [ (A) potato (B) carrot (C) onion (D) tomato Fill in the blanks using the correct word from the brackets. 3) The plants that grow and spread along the ground are called ________________________. (climbers/creepers) 4) Trees have _______________________ stems. (soft/woody) Very Short Answer Questions 5) Identify the given plant part. Ans. ________________________________________________________________________ 6) Name a leaf that we use as food. Ans. ________________________________________________________________________ 1
Short Answer Question 7) Define climbers. Give an example. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Understand True or False 8) Shrubs are smaller than trees. [ ] 9) Hibiscus is a herb. [ ] 10) Peanuts are seeds of a plant. [ ] 11) We do not eat the roots of plants. [ ] Short Answer Questions 12) Give two examples each: a) plants that need support b) plants that have thick and woody stems Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) Identify the plant type and write the names in the correct column: mint, rose plant, bamboo, money plant, grass, pumpkin, watermelon, spinach, teak Ans. Trees Herbs Creepers Climbers Shrubs 2
Long Answer Question 14) Draw any two spices that we get from plants. Ans. I Apply Multiple Choice Questions 15) Stan bought a pack of oil from the grocery shop. Which of the following plants could be the source of that oil? [ ] (A) spinach (B) cucumber (C) banana (D) groundnut 16) Afroz found the following plants in his neighbourhood. Which of them can be used to make tables and chairs? [ ] (A) tulsi (B) lotus (C) rose (D) bamboo Short Answer Questions 17) Identify the product given in the picture. Name the raw material used and its source. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Plants and Plant Products 3
18) R ashiya goes for a bicycle ride in her neighbourhood every day. On the way, she plucks flowers and leaves from the plants near the bicycle track. Is that a right thing to do? Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 19) S ome of the plant products we get in the market are given below. Write down which part of the plant we get them from. Product Part of plant oil perfume wooden spoon apple ginger cabbage 4
I Explore (H.O.T.S.) Long Answer Question 20) Meena wants to grow a spice garden. Suggest some plants that she can grow. Also, mention what types of plants they are, and which part of those plants she can use as a spice. Ans. Name of the plant Type Part that is used as a spice cardamom herb fruits and seeds Plants and Plant Products 5
7Lesson Forms of Matter I Remember Multiple Choice Questions 1) Which of the following can flow in all directions? [ ] (A) pencil (B) gases (C) liquids (D) water 2) Which of the following have particles tightly packed? [ ] (A) sugar (B) juice (C) milk (D) water vapour Fill in the blanks using the correct word from the brackets. 3) Matter is made of tiny ____________________________. (particles/containers) 4) _________________________ have a definite shape. (Solids/Gases) Very Short Answer Questions 5) Name the form of matter that takes the shape of the container. Ans. ________________________________________________________________________ 6) Give an example of matter in gaseous form. Ans. ________________________________________________________________________ Short Answer Question 7) List the properties of gases. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 6
I Understand Match the Following a) flow in all directions 8) matter 9) liquids b) e verything that we can see, touch/ 10) three forms of matter feel or smell c) take the shape of container 11) gases d) solids, liquids and gases Short Answer Questions 12) Water in its liquid form is useful in many ways. Explain. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) State two uses of matter in gaseous form. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 14) With the help of a labelled diagram, compare and contrast the arrangement of particles in liquids and gases. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Forms of Matter 7
________________________________________________________________________ ________________________________________________________________________ I Apply Multiple Choice Questions 15) Which form of matter is a fizzy soft drink? [ ] (A) solid (B) liquid (C) liquid and gas (D) solid and gas 16) R eena found the following things in her neighbourhood when she went for a walk. Which of them is made in the liquid form of matter? [ ] (A) car (B) mountain (C) road (D) lake Short Answer Questions 17) W hy do we use the solid form of matter to make a chair? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 8
18) N alini’s swimming float got punctured. What will happen if she uses it to swim? Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 19) W e can keep a banana on a table, but we need a container to keep some milk. Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Explore (H.O.T.S.) Long Answer Question 20) Circle the odd one out and explain the reason for it. Items Reason marble, stone, water umbrella, eraser, water vapour milk, tablet, oil Forms of Matter 9
8Lesson Properties of Water I Remember Multiple Choice Questions 1) Which among the following flows from higher to lower levels? [ ] ] (A) water (B) ice (C) water vapour (D) snow 2) Which of the following has no shape and can flow in all directions?[ (A) water (B) ice (C) paint (D) water vapour Fill in the blanks using the correct word from the brackets. 3) In nature, water exists in _______________________ forms. (three/four) 4) Water can dissolve more substances than any other liquid, so it is called a ____________________________________. (solvent/universal solvent) Very Short Answer Questions 5) Name any one solvent other than water. Ans. ________________________________________________________________________ 10
6) Give two examples of substances that do not dissolve in water. Ans. ________________________________________________________________________ Short Answer Question 7) Define solutes. Give an example. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Understand True or False 8) Sugar does not dissolve in water when water is heated. [ ] ] 9) Oil is insoluble in water. [ ] 10) Substances that can dissolve in water are called insoluble substances. ] [ 11) Some wall paints dissolve in kerosene but not in water. [ Short Answer Questions 12) Define solution. List the ingredients used for making ORS. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) What are the common properties of water in all forms? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Properties of Water 11
Long Answer Question 14) Compare the properties of ice, water and water vapour. Ans. Ice Water Water vapour I Apply Multiple Choice Questions 15) Sunita was trying to dissolve sugar in milk. It was taking a lot of time. Which of the following should she do to dissolve the sugar faster? [ ] (A) use powdered sugar (B) heat the sugar before adding (C) not to stir while adding (D) freeze the milk 16) A nsh’s mother accidentally spilled oil on her clothes while cooking. Which of the following would help her clean her clothes? [] (A) ironing (B) drying in the Sun (C) washing with water (D) dry cleaning with petrol 12
Short Answer Questions 17) C lassify the following substances as soluble and insoluble in water. sugar, eraser, salt, oil, stone, lemon juice Soluble Insoluble 18) Tick the objects that will sink in water. Cross the ones that will float. a) b) c) d) e) f) Properties of Water 13
Long Answer Question 19) Circle the names of insoluble substances given in the word search. S Z XQP AUADA L NG T P T E TAE WOO D R P OQM Z Z EX TN WYN PO NROT F CHA L K I Explore (H.O.T.S.) Long Answer Question 20) Which kind of paints should we use to paint the exterior of our houses: soluble or insoluble in water? Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 14
9Lesson Water as a Resource I Remember Multiple Choice Questions 1) When heated, water changes to which of the following forms? [ ] (A) ice (B) water (C) water vapour (D) snow 2) T he process in which water moves from the land to air and back to the water bodies is called: [ ] (A) water purification (B) water pollution (C) rainwater harvesting (D) water cycle Fill in the blanks using the correct word from the brackets. 3) T he method in which rainwater is collected in tanks or allowed to go underground is called _______________________________. (farming/rainwater harvesting) 4) For changing water to ice, we need to __________________ it. (heat/freeze) Very Short Answer Questions 5) Give two examples of soluble impurities found in water. Ans. ________________________________________________________________________ 15
6) Give two examples of insoluble impurities found in water. Ans. ________________________________________________________________________ Short Answer Question 7) List the different types of filters used to filter water. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Understand True or False 8) Adding chlorine pollutes water. [ ] 9) Waste from the factories purify the nearby sources of water. ] [ ] ] 10) Clear water may contain impurities. [ 11) Clouds are made up of water droplets. [ Short Answer Questions 12) Define water purification. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) List down the different ways to save water. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 16
Long Answer Question 14) D escribe the water cycle with the help of a labelled diagram. Ans. I Apply Multiple Choice Questions 15) W hen the drinking water supplied to his home got tested, Atul’s father got to know that it contained harmful germs. Which of the following methods can be used to purify it? [] (A) add clay (B) add salt (C) leave it in a container for a while (D) add chlorine 16) W hich of the following helps in the formation of clouds? [ ] (A) sunlight (B) water vapour (C) wind (D) lightning Water as a Resource 17
Short Answer Questions 17) R ihaan bathes using the water from a bucket, whereas Vihaan likes to bathe in a shower. Which method is good? Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 18) D uring summer, water from Anu’s neighbourhood lake reduced to almost half. She wonders how it happened. Explain it to her. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 19) F arida’s village is located on the banks of a river. What would you suggest them to protect the river water from pollution? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Explore (H.O.T.S.) Long Answer Question 20) Write a slogan and create a poster to spread awareness about the benefits of rainwater harvesting. Ans. ________________________________________________________________________ 18
10Lesson Sun as a Source of Energy I Remember Multiple Choice Questions 1) W hich of the following is the main source of energy available to all living things on earth? [] (A) Moon (B) Sun (C) stars (D) comet 2) Which of the following is a non-renewable source of energy? [ ] (A) Sun (B) wind (C) water (D) petrol Fill in the blanks using the correct word from the brackets. 3) _______________________________ is used by plants to make their food. (wind energy/solar energy) 4) We get solar energy in the form of _______________ and light. (sound/heat) Very Short Answer Questions 5) Give any two examples of renewable sources of energy. Ans. ________________________________________________________________________ 19
6) What is energy? Ans. ________________________________________________________________________ Short Answer Question 7) What do plants need to make their food? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Understand Match the Following 8) a) electricity 9) b) sunlight 10) c) petrol 11) d) cooking gas 20
Short Answer Questions 12) Write a short note on solar energy. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) List down any two ways to save energy. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 14) Distinguish between renewable and non-renewable energy sources. Ans. Renewable energy sources Non-renewable energy sources I Apply Multiple Choice Questions 15) Arya received her electricity bill. It was way higher than last year’s. Which of the following will help her to save electricity the most? [ ] (A) using ordinary bulbs (B) using CFL and LED bulbs (C) using an electric cooker (D) using normal tube lights Sun as a Source of Energy 21
16) D aniel’s family decided to use a renewable energy source for cooking. Which of the following would they use? [] (A) LPG stove (B) kerosene stove (C) solar cooker (D) coal stove Short Answer Questions 17) A liya wants to know why solar heaters are placed on rooftops, not indoors. Explain it to her. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 18) S ebastian wants to go for a tour to take photographs of the flowers of a variety of trees. Which season will be most appropriate? Why? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Long Answer Question 19) Solve the crossword puzzle. a) ability to do work b) a non-renewable source of energy 22
c) lamp that saves energy d) plants need this to make food e) a renewable source of energy d) S a) E Y e) W N c) C b) P T I Explore (H.O.T.S.) Long Answer Question 20) Write a slogan and make a poster to spread awareness about renewable energy sources. Ans. ________________________________________________________________________ Sun as a Source of Energy 23
11Lesson Healthy Surroundings, Healthy Body I Remember Multiple Choice Questions 1) Which of the following is not a way to live a healthy life? [ ] (A) doing exercise (B) eating junk food (C) taking proper rest (D) personal cleanliness 2) Which of the following makes our surrounding unhealthy? [ ] (A) using toilets for defecation (B) recycling old newspapers (C) throwing waste in proper bins (D) throwing garbage in open fields Fill in the blanks using the correct word from the brackets. 3) We should wash our hands with __________________ and _________________. (soap, oil / soap, water) 4) We should sleep daily for at least _______________ hours. (5–6 / 7–8) Very Short Answer Questions 5) Give one example each: a) energy-giving food items b) body-building food items Ans. a) ______________________________ b) ___________________________________ 24
6) What do the 3 R’s stand for in the 3R method? Ans. ________________________________________________________________________ Short Answer Question 7) Write a short note on ‘Swachh Bharat Abhiyan’. Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ I Understand True or False 8) Bathing daily is not necessary. [ ] ] 9) Junk food is not good for our health. [ ] 10) It is not necessary to wash our hands before and after eating. ] [ 11) Dandruff and sweat make our hair dirty. [ Short Answer Questions 12) Why should we include outdoor games and exercises in our daily life? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13) Why should we rinse our mouths with water after every meal? Ans. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Healthy Surroundings, Healthy Body 25
Long Answer Question 14) F ind out the following words related to hygiene in the puzzle given below. (bath, health, handwash, clean, brush) Z R CNO E U B T O L MW D B R N T E GQ R Z U ABAL XZ T S H ANDWA S H B T RMV Y X T QH E A L T H R I Apply Multiple Choice Questions 15) Ira got to know from TV news that people in her native village had become sick after drinking polluted water. Which of the following can be a root cause for water pollution? [ ] (A) chewing tobacco (B) reducing the use of plastic (C) urinating and defecating near water sources (D) using proper bins for waste disposal 16) A shraf was falling sick frequently. Which of the following items should he eat to protect himself from illness? [] (A) chocolate (B) fruits and vegetables (C) chips (D) biscuits 26
Short Answer Questions 17) C ircle the things from the picture that can be used for maintaining personal hygiene. 18) Circle the food items given below that keep you healthy. Healthy Surroundings, Healthy Body 27
Long Answer Question 19) What will you do in the following cases? a) Last year’s notebooks have blank pages. b) You have some old clothes that won’t fit you anymore. Ans. a) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ b) _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ I Explore (H.O.T.S.) Long Answer Question 20) Put the materials given below in the right bin. a) plastic bags b) newspapers c) old notebooks d) eggshells e) worn out clothes f) plastic containers g) fruit peels h) leftover food Wet waste Dry waste 28
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