51705025_Maple G4_Workbook EVS_Term3

ENVIRONMENTAL STUDIES WORKBOOK - TERM 3 Latest Edition 4 Name: ___________________________________ Section: ________________ Roll No.: _________ School: __________________________________



EVS-I (SCIENCE) TERM 3

Contents 4Class 14 Fuels����������������������������������������������������������������������������������������������������������������������������� 1 15 Ways of Communication �������������������������������������������������������������������������������������������� 5 16 Force and Work ����������������������������������������������������������������������������������������������������������� 9 17 Forms of Energy��������������������������������������������������������������������������������������������������������� 13

Lesson 14 Fuels Remembering Multiple Choice Questions [     ] 1) From the following, Identify the fuel in solid form. [     ] (A) petrol (B) firewood (C) LPG (D) diesel 2) How are fossil fuels dug out? (A) through crushing (B) through mining (C) through grinding (D) through mixing Fill in the Blanks 3) Vehicles get energy to run from _____________________. 4) Natural gas is a fuel in _________________________________ form. Very Short Answer Questions 5) Give an example of domestic fuel in liquid form. Ans. ____________________________________________________________________________________ 6) What do we call a hole dug into the ground to take out fuels? Ans. ____________________________________________________________________________________ Short Answer Question 7) What are fossil fuels? Give an example. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 1

Understanding True or False [       ] 8) Motor fuels are generally used to run vehicles.  [      ] 9) Aeroplanes run on electricity. [       ] 10) Petrol is the most common fuel used in two-wheelers today. [       ] 11) Boats and ships with power engines mostly use water as a fuel. Short Answer Questions 12) What are motor fuels? Where do we get them from? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) Name any two road vehicles that run on diesel. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) State the uses of the following: a) CNG b) LPG Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 2

Application Multiple Choice Questions 15) Which of the following can be done to save fuels?  [     ] (A) using vehicles for walkable distances (B) not using public transport (C) switching off vehicles at signals (D) not taking care of our vehicles 16) Which of the following is not obtained from fossil fuels? [     ] (A) plastic (B) glass (C) medicines (D) cosmetics Short Answer Questions 17) Do you have a vehicle at home? What do your parents and you do to take care of it so that it consumes less fuel? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 18) Write whether Right or Wrong: a) Some people use bicycles in place of motor vehicles to save fuel. [       ] b) People should never use carpooling (sharing car) though it saves fuel. [       ] Long Answer Question 19) Ashraf has seen many petrol pumps and shops for LPG everywhere. He wonders why we should use fuel carefully if so much fuel is available anyway. Explain him the reasons for using fuels carefully. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Fuels 3

____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Distinguish between renewable and non-renewable fuels. Ans. Renewable fuels Non-renewable fuels _______________________________________ _______________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ ____________________________________ 4

Lesson 15 Ways of Communication Remembering Multiple Choice Questions 1) What means of communication should we use to communicate with less number of people? [   ] (A) television (B) radio (C) newspaper (D) telephone 2) Which of the following is a written form of communication? [     ] (A) letter (B) television (C) telephone (D) radio Fill in the Blanks 3) _____________________________________ can be between a few people or many people. 4) Radio, internet and newspaper are the ways to share _______________________________. Very Short Answer Questions 5) Give an example of communication in audio form. Ans. ____________________________________________________________________________________ 6) Give an example of communication with many people. Ans. ____________________________________________________________________________________ Short Answer Question 7) When does communication occur? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 5

Understanding Match the Following 8)  a) envelope with letter 9) b) postbox 10) c) postcard 11) d) inland letter Short Answer Questions 12) How do we mostly send letters these days? How is it better than using a postcard? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) What happens to the letters that we put in a postbox? Ans. ____________________________________________________________________________________ 6

____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) How can we talk to a person using a mobile phone? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Application Multiple Choice Questions 15) Which of the following is a benefit of using computers and mobile phones?  [     ] (A) Bright screens of computers may harm our eyes. (B) We can spend a lot of time playing video games on mobiles which may affect our health. (C) We can stay in touch with our family and friends. (D) Earphones that we use may be harmful to our ears. 16) Which of the following health problems is caused mostly due to the overuse of mobile phones? [   ] (A) fever (B) pain in legs (C) stomach problems (D) eye problems Short Answer Questions 17) How can we learn new things from the internet? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Ways of Communication 7

18) Give examples of social networking media of communication. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) Discuss the benefits and problems of communication media. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Prepare a birthday message for your friend using pictographs. Ans. 8

Lesson 16 Force and Work Remembering Multiple Choice Questions 1) Why is force applied in the given picture? [   ] (A) for pushing (B) for pulling (C) for both pushing and pulling (D) for changing shape 2) What is the child in the given picture doing? [   ] (A) applying force to stop the ball (B) applying force to change the shape of the ball (C) applying force to change the direction of the ball (D) breaking the ball into two pieces Fill in the Blanks 3) Depending on the applied ____________________________, objects move faster or slower. 4) If we press against a plastic bottle, its ___________________________ will change. Very Short Answer Questions 5) What type of force is shown in the given picture? (Push/ Pull) Ans. ____________________________________________________________________________________ 6) How can we burst a fully blown balloon using force? Ans. ____________________________________________________________________________________ 9

Short Answer Question 7) When do we need to apply force? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Understanding True or False 8) A smooth surface causes more friction.  [       ] 9) The raindrops are pulled towards the ground by the force of friction.  [       ] 10) Friction helps us to hold things tight. [       ] 11) Without friction, moving things will not stop. [       ] Short Answer Questions 12) Give two examples of the force of gravity. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) How does oil help to reduce friction? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) Write a note on friction. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 10

____________________________________________________________________________________ Application Multiple Choice Questions [     ] 15) Choose the incorrect statement from the given statements.  (A) When we put force on an object and move it, we do work. (B) When we hit a ball using a bat, there is no work done. (C) We do work when we pick up a box from the ground. (D) If we make a pot from clay, there is work done. 16) In which of the following situations is work done? [     ] (A) Munaf is sitting on a chair. (B) A car is parked in a garage. (C) Ana lifted a heavy box from the ground. (D) Tanya is watching a movie. Short Answer Questions 17) When is work said to be done? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 18) Look at the given picture. Can we say that work is done? Give a reason. Force and Work 11

Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) How can we say that work is done in the following situation? We pick up a bottle kept on the table. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Read the statements given below. Mark  where work is done and  where work is not done. a) Ravi is carrying a heavy bag in his hand and sitting in one place. b) Raju is reading a book sitting on a table. c) Rashi is watching TV sitting on a chair. d) Rina is walking up the stairs with a small bag on her shoulder. 12

Lesson 17 Forms of Energy Remembering Multiple Choice Questions [     ] 1) Which of the following is the basic source of energy on the Earth? (A) fuel (B) wind (C) water (D) Sun 2) Which of the following provides heat and light naturally? [     ] (A) wind energy (B) water (C) solar energy (D) food Fill in the Blanks 3) The energy we get from the Sun is called _____________________________________. 4) Vehicles get energy from ___________________________________. Very Short Answer Questions 5) State any one natural source of energy. Ans. ____________________________________________________________________________________ 6) Name a source of energy which is limited. Ans. ____________________________________________________________________________________ Short Answer Question 7) What is the use of solar energy for plants? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13

Understanding Match the Following 8) fans and bulbs get energy from a) light energy 9) objects thrown upwards come down due to b) heat energy 10) the form of energy we can see is c) electricity 11) we feel warmth because of d) gravity Short Answer Questions 12) Identify the sources of energy being used in the following pictures. a) b) _________________________________ ____________________________________ 13) What will happen if you throw an eraser in the upward direction? Which energy is used in this case? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) How is electricity one of the most useful energy sources? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 14

____________________________________________________________________________________ ____________________________________________________________________________________ Application [     ] [     ] Multiple Choice Questions 15) Which of the following forms of energy lights up tube lights?  (A) electricity (B) gravity (C) elastic (D) sound 16) Which of the following forms of energy will we use to cook our food? (A) water (B) wind (C) heat (D) sound Short Answer Questions 17) Which use of electrical energy is shown in the given picture? Give another use of electrical energy. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 18) Which use of energy is shown in the given picture? State how it is helpful in our daily life. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Forms of Energy 15

Long Answer Question 19) State any four uses of energy. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Make a poster using a chart paper on ‘how to conserve energy’. You may use the following points: • turning off electrical devices when not in use • recycling of paper • using renewable sources of energy • minimising the use of plastic 16

EVS - II (SOCIAL STUDIES) TERM - 3 TERM 1

Contents 4Class 7 Public Facilities 7.1 Public Facilities�������������������������������������������������������������������������������������������������������� 1 8 Laws, Rights and Duties 8.1 The Indian Constitution������������������������������������������������������������������������������������������� 6

Lesson 7 Public Facilities Concept 7.1: Public Facilities Remembering Multiple Choice Questions 1) Which of the following is an example of public facility? [   ] (A) house     (B) bike     (C) private jets     (D) hospital [   ] 2) Which of the following is true for public facilities? (A) They are provided in private places. (B) They are for the benefit and use of public. (C) They are available only for a short time. (D) They are given only to selected people. Fill in the Blanks 3) Public facilities relate to the basic __________________ of people. 4) The important feature of a public facility is that once it is provided, its ________________ can be shared by many people. Very Short Answer Questions 5) Name a place where the public can read books. Ans. ____________________________________________________________________________________ 6) Name a resource used for drinking, washing, agriculture and is also used by animals. Ans. ____________________________________________________________________________________ Short Answer Question 7) Define ‘public facilities’. 1

Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Understanding Picture Match the Following Public Facility 8) roads and bridges 9) government hospitals 10) street lighting 11) bus stand Ans. ____________________________________________________________________________________ Short Answer Questions 12) How is it ensured that the public facilities are made available to everyone? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 2

13) How is the local government responsible when the public facilities are damaged? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) Why should public facilities be provided to people? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Application Multiple Choice Questions [    ] 15) Which of the following picture shows protection of public property? (A) (B) (C) (D) 16) Mohan stays in Rambagh village in Uttar Pradesh. It is always very dark while returning from his tuition. None of the street lights of the village work. Whom should Mohan approach to solve this problem? [    ] Public Facilities 3

(A) Prime Minister (B) Nagarpalika (C) His friends (D) Panchayati Raj Short Answer Questions 17) Analyse the differences between private property and public property. Ans. Private property Public property 18) Identify our responsibilities as an individual towards the protection of public facilities. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) Do you think the loss of public property is our own loss? How? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Discuss and enlist the various steps that should be taken by the students in school to protect school’s property and resources? 4

Hint: •  Think of the facilities provided in the classroom and the school. •  Think of the various things the students use every day during school hours. •  How can you ensure that all of these things are in good condition? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Public Facilities 5

Lesson 8 Laws, Rights and Duties Concept 8.1: The Indian Constitution Remembering Multiple Choice Questions 1) When did the Constitution of India come into force? [     ] (A) 26th January, 1930 (B) 26th January, 1950 (C) 15th August, 1947 (D) 15th August, 1950 2) The national song of India is: [     ] (A) Vande Mataram (C) Saare Jahan se Achha (B) Jana Gana Mana (D) Ae Mere Watan ke Logon Fill in the Blanks 3) The two languages in which the Indian Constitution is written are ______________________ and ______________________. 4) The Indian Constitution was written by _______________________________________________ and a team of 300 very educated leaders of India. Very Short Answer Questions 5) What do we call the symbols that represent India? Ans. ____________________________________________________________________________________ 6) Which is the national river of India? Ans. _______________________________________________________________________ 6

Short Answer Question 7) Define ‘constitution’. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Understanding Write True or False [      ] 8) To follow the Constitution and respect it is our fundamental right. [      ] 9) According to the right to equality, we are all equal, no matter what our [      ] religion, gender or place of birth is.  [      ] 10) The national symbol says that everybody is equal. 11) The right to education states that children up to the age of 10 have the right to receive free education. Short Answer Questions 12) Why is the Preamble important? Name one value that it stands for. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) Explain the meaning of ‘fundamental duties’. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Laws, Rights and Duties 7

Long Answer Question 14) Rashi follows Jainism, whereas Meher follows Zoroastrianism. They can use all the public facilities without any discrimination. They can wear clothes of their choice. They can study in a school for free till their 15th birthday. Identify the rights given to Indian citizens that allow Rashi and Meher to do so. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Application Multiple Choice Questions 15) Mayura’s parents are doctors. But she wants to become a fashion designer. According to you, which fundamental right allows Mayura to choose her occupation? [    ] (A) Right to Equality (B) Right to Freedom (C) Right to Education (D) Right to Information 16) Using the Right to Information, you can collect information about which of the following? [   ] (A) How facebook works (B) How to build missiles (C) How the collector’s office works (D) How much a person earns Short Answer Questions 17) Look at the following pictures. Which fundamental duties should we follow to prevent such occurrences. 8

Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 18) Kabir is an 11-year old boy who does not go to school as his parents cannot pay the school’s fees. Is there anything in the constitution that can help children like him? If yes, how? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) Do you feel that the Indian Constitution is fair to all communities? Why do you think so? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Laws, Rights and Duties 9

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) If given a chance to make your own constitution, what are the three values you will keep in mind while writing it? Give reasons. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 10