PINNACLE-STUDENT-WORKBOOK-EVS-G02-TERM3

ENVIRONMENTAL STUDIES WORKBOOK - TERM 3 by classklap Enhanced Edition 2 Name: ___________________________________ Section: ________________ Roll No.: _________ School: __________________________________ PNC_G2_SCI_T3_WB.indb 1 16-12-2019 12:01:46

Lesson Name Page No. 1) Materials around us 1 2) My beloved motherland 7 3) Shakthi’s journey 14 4) Day and night 20 5) Wonders of nature 27 33 Inside the Lab 34 Term Project PNC_G2_SCI_T3_WB.indb 2 16-12-2019 12:01:48

Lesson 1: Materials around us Concept Map Materials around us Man-made materials Natural sources clay wood from plants – log, wood, cotton, etc. Clay is a natural strong material from _______________ (1) – material. long-lasting leather, wool, silk, etc. can be cut from rocks and soils – metal ores It hardens as it dries. into pieces fibre Man-made things metals from plants – cotton, rubber band, wooden chair, silk jute, coir, etc. Metals are saree, clay pot, leather belt, etc. strong, Jute is long, ___________ (3) Matter shiny and strong. and shiny. Anything that occupies from animals When heated, ____________ (4) is called matter. – wool, silk, etc. metals can be shaped. Matter has taste, ______________ (2) smell, size and shape. is the strongest rubber natural fibre. elastic Leather is flexible. waterproof Remembering Multiple Choice Questions (1M per question) 1) F  rom which of the following is leather obtained? [   ] [   ] (A) plants (B) animals (C) rocks (D) soil (D) door 2) Which of the following is a man-made thing? (A) rubber (B) wood (C) silk 1 PNC_G2_SCI_T3_WB.indb 1 16-12-2019 12:01:49

Fill in the Blanks (1M per question) 3) A _________________ is a material obtained from both plants and animals. 4) Fibre from the coconut tree is called _________________. Match the Following (5M) Match the man-made things with the materials they are made of. 5) a) 6) b) 7) c) 8) d) 9) e) 2 16-12-2019 12:01:52 PNC_G2_SCI_T3_WB.indb 2

Very Short Answer Questions (1M per question) 10) What is paper made from? Ans. __________________________________________________________________________ 11) What is a material that does not allow water to enter called? Ans. __________________________________________________________________________ 12) Write the name of any one thing made from leather. Ans. __________________________________________________________________________ Understanding Very Short Answer Questions (1M per question) 13) Which is the strongest natural fibre? Ans. __________________________________________________________________________ 14) Why are hand gloves made from rubber? Ans. __________________________________________________________________________ 15) Which of the following things are made from metals? bags, gold bangle, steel vessels, sarees Ans. __________________________________________________________________________ Short Answer Questions (3M per question) 16) Observe the picture and complete the following sentences. a) The picture shown is a _________________. b) This is made from _____________ and _____________. c) The natural sources of these materials are _____________ and ____________________________. Materials around us 3 PNC_G2_SCI_T3_WB.indb 3 16-12-2019 12:01:54

17) Observe the picture and write any three sentences about it. Ans. ______________________________________________________ ______________________________________________________ ______________________________________________________ 18) Observe the picture and answer the following questions. a) What do you see in the picture? b) Does it occupy space? c) What is the shape and taste? Ans. ______________________________________________________ ______________________________________________________ ______________________________________________________ Application Short Answer Questions (3M per question) 19) C  omplete the following sentences. a) We get clay pots from _______________. b) Clay pots are made using the tool called ____________________. c) Clay ____________________________; so, pots and other things can be made from it. 20) Classify the following into ‘plant fibres’ and ‘animal fibres’. (leather, wool, cotton, jute, silk, coir) 4 16-12-2019 12:01:56 PNC_G2_SCI_T3_WB.indb 4

Ans. Plant fibres Animal fibres 21) C  omplete the following sentences. a) Metals are the materials that we get from ___________________. b) As metals are ______________ and ____________, vehicles, gates and cooking vessels can be made from them. c) When heated, metals _________________________ into any form. Higher Order Thinking Skills (H.O.T.S.) Short Answer Questions (3M per question) 22) R  earrange the letters to get words and find them in the word search given below. Ans. a) yrte : ________________ FCHA I R b) rhaic : __________________ D T HDDB c) srerea : __________________ QO U N T Z MFMR YC L T TGRA E RAS E R Materials around us 5 PNC_G2_SCI_T3_WB.indb 5 16-12-2019 12:01:57

23) Collect and stick the pictures of things that are made of rubber in the box given below. Ans. 6 16-12-2019 12:01:58 PNC_G2_SCI_T3_WB.indb 6

Lesson 2: My beloved motherland Concept Map My beloved motherland National days National leaders _______________________ (1) – India ____________________________ (3) – first became free on 15th August, 1947. President of free India Mahatma Gandhi – father of our nation Republic Day – The Constitution of India came into force on 26th January, 1950. Jawaharlal Nehru – first Prime Minister of India Gandhi Jayanthi – the birthday of National flag – the Tricolour Mahatma Gandhi on 2nd October rectangular in shape has three colours – saffron, white and green _______________________ (2) – the _______________________ (4) – the navy blue birthday of Pandit Jawaharlal Nehru on wheel in the centre of the white band with 24 spokes 14th November Our responsibility do not spit in public places, do not scribble on walls, do not throw waste in public places, form queues, use public toilets instead of using the road or open spaces, maintain silence in the public library, do not tear or scribble in the books Remembering Multiple Choice Questions (1M per question) 1) When did the Constitution of India come into force? [    ] (A) 2nd October, 1869 (B) 15th August, 1947 (C) 26th January, 1950 (D) 14th November, 1889 PNC_G2_SCI_T3_WB.indb 7 7 16-12-2019 12:02:00

2) W  ho was the first President of free India? [   ] (A) Mahatma Gandhi (B) Dr. Rajendra Prasad (C) Pandit Jawaharlal Nehru (D) none of the above Fill in the Blanks (1M per question) 3) The ____________________ is the national tree of India. 4) The state flower of Tamil Nadu is the _____________________. Match the Following (5M) Match the state symbols of Tamil Nadu to their names. 5) a) gloriosa lily 6) b) palm tree 7) c) emerald dove 8) d) jackfruit 9) e) nilgiri tahr 8 16-12-2019 12:02:13 PNC_G2_SCI_T3_WB.indb 8

Very Short Answer Questions (1M per question) 10) How many spokes are there in the Ashoka Chakra? Ans. __________________________________________________________________________ 11) Who is called the ‘father of our nation’? Ans. __________________________________________________________________________ 12) Write the name of the game shown in the picture given below. Ans. __________________________________________________________________________ Understanding Very Short Answer Questions (1M per question) 13) What does the white colour in our national flag stand for? Ans. __________________________________________________________________________ 14) Write ‘N’ for the national fruit of India and ‘S’ for the state fruit of Tamil Nadu. Ans. __________________________________ __________________________________ My beloved motherland 9 PNC_G2_SCI_T3_WB.indb 9 16-12-2019 12:02:24

15) Mention our responsibilities when we are in the public library. Ans. __________________________________________________________________________ __________________________________________________________________________ Short Answer Questions (3M per question) 16) L  ook at the given picture and complete the following sentences. a) The picture is of ___________________________. b) He followed the path of ___________________________. c) His birthday, 2nd October, is celebrated as ___________________________. 17) L  ook at the given picture and write three sentences about it. Ans. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 10 16-12-2019 12:02:37 PNC_G2_SCI_T3_WB.indb 10

18) L  ook at the given picture and answer the following questions. a) What is the picture of? b) What does the green colour in it stand for? c) Which colour in it stands for sacrifice? Ans. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Application Short Answer Questions (3M per question) 19) W hich of the following pictures is correct? Why? a) b) My beloved motherland 11 PNC_G2_SCI_T3_WB.indb 11 16-12-2019 12:02:52

Ans. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 20) Identify the national symbols of our country from the following. (nilgiri tahr, peacock, mango, banyan tree, rose, palm tree, apple) Ans. National symbols 21) C omplete the following sentences. a) Pandit Jawaharlal Nehru was lovingly known as __________________. b) 26th January, 1950 is celebrated as __________________. c) ________________ is celebrated as Independence Day every year. Higher Order Thinking Skills (H.O.T.S.) Short Answer Questions (3M per question) 22) C  olour the circles green for the correct behaviour and red for the wrong one. Write what our responsibility is based on each picture. a) _________________________________ _________________________________ _________________________________ 12 16-12-2019 12:02:58 PNC_G2_SCI_T3_WB.indb 12

b) _________________________________ _________________________________ _________________________________ c) _________________________________ _________________________________ _________________________________ 23) Name the famous leaders of our nation using the given clues. a) I am the first Prime Minister of India. I love children. My birthday is celebrated as Children’s Day. Who am I? b) I am remembered by everyone as Bapu. I followed the path of non- violence. My birthday is on 2nd October. Who am I? c) I am the first President of free India. Who am I? Ans. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ My beloved motherland 13 PNC_G2_SCI_T3_WB.indb 13 16-12-2019 12:03:05

Lesson 3: Shakthi’s journey Concept Map Shakthi’s journey Different modes of transport Railways Airways Roadways trains that carry helicopter bus _________________ (1) aeroplane car ______________ (3) auto rickshaw passenger train balloon lorry metro rail ambulance fire and rescue superfast express vehicle trains that carry goods scooter bullock cart, goods train ________________(4) (eco-friendly) Waterways Road safety catamaran ____________ (2) boat We should always follow road signs. sailing boat ship Remembering Multiple Choice Questions (1M per question) 1) Which of the following is an example for roadway transportation? [ ] (A) aeroplane (B) ship (C) car (D) coracle 14 16-12-2019 12:03:08 PNC_G2_SCI_T3_WB.indb 14

2) Which of the following is an eco-friendly vehicle? [   ] (A) scooter (B) ambulance (C) car (D) bicycle Fill in the Blanks (1M per question) 3) ________________ trains are used within and between cities. 4) Cross the road when the traffic symbol of a person walking turns __________. Match the Following (5M) Match the road signs to their meanings. 5) a) ‘U’ Turn 6) b) Pedestrian Crossing 7) c) No Parking 8) d) Unmanned Level Crossing 9) e) Do Not Horn SShhaakktthhii’’ss jjoouurrnneeyy 15 PNC_G2_SCI_T3_WB.indb 15 16-12-2019 12:03:12

Very Short Answer Questions (1M per question) 10) What is used to travel on lakes and rivers for short distances? Ans. __________________________________________________________________________ 11) Which waterways vehicle carries a large number of people and goods from one country to another? Ans. __________________________________________________________________________ 12) Give one example of an airways vehicle. Ans. __________________________________________________________________________ Understanding Very Short Answer Questions (1M per question) 13) Which trains are smokeless? Ans. __________________________________________________________________________ 14) What are hot-air balloons used for? Ans. __________________________________________________________________________ __________________________________________________________________________ 15) What we should wear while riding a motor cycle? Ans. __________________________________________________________________________ Short Answer Questions (3M per question) 16) Look at the given picture and complete the following sentences. 16 16-12-2019 12:03:13 PNC_G2_SCI_T3_WB.indb 16

Ans. a) The picture is of an ______________________. b) People use this to __________________________________________________. c) Along with people, it also carries __________________. 17) Look at the given picture and write three sentences about it. Ans. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 18) Look at the given picture and answer the following questions. a) What do you see in the picture? b) Does it need fuel? c) Other than transport, how does it help us? Ans. ___________________________________________________ ___________________________________________________ __________________________________________________________________________ Application Short Answer Questions (3M per question) 19) C  omplete the following sentences. a) ________________ trains stop at all stations and are used within and between cities. b) Metro rail is used within ____________. c) ___________________ express stops at specified stations. Shakthi’s journey 17 PNC_G2_SCI_T3_WB.indb 17 16-12-2019 12:03:15

20) Classify the following according to their mode of transport. (ship, helicopter, bus, aeroplane, catamaran, ambulance) Ans. Roadways Waterways Airways 21) C omplete the following sentences. a) A level crossing is where __________________________________________. b) Use the ____________________________________ to cross the road. If there are none, use the pedestrian crossing (zebra crossing). c) ______________________________, use the seat belt. Higher Order Thinking Skills (H.O.T.S.) Short Answer Questions (3M per question) 22) Connect the numbers to complete the picture. Write the name and uses of the vehicle. Ans. 18 16-12-2019 12:03:17 PNC_G2_SCI_T3_WB.indb 18

Ans. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 23) Answer the following. a) The eco-friendly vehicle in the given picture is __________________. b) The airways vehicles in the following picture are __________________ and __________________. c) Circle the vehicle that takes sick people to the hospital. Shakthi’s journey 19 PNC_G2_SCI_T3_WB.indb 19 16-12-2019 12:03:19

Lesson 4: Day and night Concept Map Day and night The sky during the night The sky during the day the moon the Sun – gives us light and _________ (2) does not have ________________ (1) shadow – the dark area formed when of its own an object does not allow light to pass phases of the moon - The moon through it appears to change its shape. Rhythms of day and night full moon Most animals and plants are active new moon during the _______ (3) and sleep at night. the stars Some plants close their leaves by Stars shine. evening. E.g., rain tree A group of stars appears to form a Some animals are active at night. E.g., pattern. bat, owl, mouse, etc. Directions Most flowers bloom in the morning. North, South, Some flowers bloom at night. E.g., _____________ (4), West jasmine, water lilies, tuberose, etc. Remembering Multiple Choice Questions (1M per question) 1) W  hich of the following is an example of an animal which is active at night? [   ] (A) dog (B) bat (C) cow (D) monkey 20 16-12-2019 12:03:21 PNC_G2_SCI_T3_WB.indb 20

2) I n which of the following directions does the Sun appear to rise? [    ] (A) North (B) South (C) East (D) West Fill in the Blanks (1M per question) 3) Sunlight takes around _______ minutes to reach the Earth. 4) Day and night follow each other in a ________________ way. Match the Following (5M) Match the pictures of flowers that bloom at night with their names. 5) a) tuberose 6) b) datura 7) c) jasmine 8) d) water lily 9) e) cactus flower DDaayy aanndd nniigghhtt 21 PNC_G2_SCI_T3_WB.indb 21 16-12-2019 12:03:35

Very Short Answer Questions (1M per question) 10) What can we see in the night sky? Ans. __________________________________________________________________________ 11) G ive examples of the festivals that are celebrated based on the phases of the moon. Ans. __________________________________________________________________________ 12) Which bird can rotate its head almost fully? Ans. __________________________________________________________________________ Understanding Very Short Answer Questions (1M per question) 13) What is a shadow? Ans. __________________________________________________________________________ __________________________________________________________________________ 14) Where does the moon get its light from? Ans. __________________________________________________________________________ 15) What are the phases of the moon? Ans. __________________________________________________________________________ __________________________________________________________________________ Short Answer Questions (3M per question) 16) O  bserve the picture and complete the following sentences. 22 16-12-2019 12:03:36 PNC_G2_SCI_T3_WB.indb 22

a) The given picture shows _________________. b) These flowers bloom ______________. c) They have a ______________ fragrance and are ______________ in colour. 17) O bserve the picture and write any three sentences about it. Ans. _______________________________________________ _______________________________________________ _______________________________________________ _______________________________________________ 18) C omplete the following sentences. Some animals are active at night to _______________________________________ _______________ for their food, avoid ______________________________________ during the day and _______________ the heat of the day. Application Short Answer Questions (3M per question) 19) D  raw the different phases of the moon. Ans. Day and night 23 PNC_G2_SCI_T3_WB.indb 23 16-12-2019 12:03:40

20) Classify the following into animals that are active at night and those that are active during the day. (cow, bat, cockroach, crow, owl, horse) Ans. Animals active during the day Animals active at night 21) Neeta is watching the sunrise. Observe the image and name the directions. Ans. East 24 16-12-2019 12:03:42 PNC_G2_SCI_T3_WB.indb 24

Higher Order Thinking Skills (H.O.T.S.) Short Answer Questions (3M per question) 22) If the blue car is moving North in each image, name the direction of movement of the other car in each picture. a) b) c) Ans. a) Direction of movement of the green car: ___________ b) Direction of movement of the purple car: ___________ c) Direction of movement of the yellow car: ___________ Day and night 25 PNC_G2_SCI_T3_WB.indb 25 16-12-2019 12:03:44

23) Collect and paste the pictures of flowers that blossom at night in the box given below. Ans. 26 16-12-2019 12:03:45 PNC_G2_SCI_T3_WB.indb 26

Lesson 5: Wonders of nature Concept Map Wonders of nature Wonders of nature – animals Wonders of nature chameleon dog – plants changes its skin colour can smell lily to merge with the better than us surroundings groundnut plant lizard can hear very soft sounds kurinji or Neelakurinji – shrub has toe pads that help it stick onto the wall ____________ (1) ________________ (1) me dogs used by not plant – small herb tail grows back in one the police to or two months if cut identify thieves calotropis (erukku) – shrub spider snail Colour and fragrance has eight legs of flowers has two pairs makes threads called of feelers on Flowers that bloom at spider silk to create its head – one night are white in colour long and one spider ____________ (3) short and have a wonderful fragrance. rat pulls its body back into its Flowers that bloom can live without shell if touched during the day have water for a long time _____________________ (4) colours and are less fragrant. can bite hard wood with their teeth Remembering Multiple Choice Questions (1M per question) 1) Where are the nuts found in groundnut plants?  [    ] 27 (A) on the stem (B) on the leaves (C) under the soil (D) under the flowers PNC_G2_SCI_T3_WB.indb 27 16-12-2019 12:03:47

2) What colour are the flowers of the Neelakurinji? [    ] (A) red (B) blue green (C) purple blue (D) white Fill in the Blanks (1M per question) 3) Insects and birds come to suck the __________________ from flowers. 4) Flowers that bloom during the day are ______________ fragrant. Match the Following (5M) Match the flowers to their names. 5) a) periwinkle 6) b) jungle flame 7) c) jasmine 8) d) butterfly pea 9) e) spanish cherry 28 16-12-2019 12:03:49 PNC_G2_SCI_T3_WB.indb 28

Very Short Answer Questions (1M per question) 10) What colour are the flowers that bloom at night? Ans. __________________________________________________________________________ 11) What is calotropis also known as? Ans. __________________________________________________________________________ 12) Write the name of any one flower that blooms during the day. Ans. __________________________________________________________________________ Understanding Very Short Answer Questions (1M per question) 13) How do spider webs help spiders? Ans. __________________________________________________________________________ 14) Why is the touch me not plant named so? Ans. __________________________________________________________________________ __________________________________________________________________________ 15) Where do the Nilgiri Mountains get its name from? Ans. __________________________________________________________________________ Short Answer Questions (3M per question) 16) Look at the picture and complete the following sentences. a) This is a ____________________________. b) It is a type of ___________________. c) It changes its _____________________ to merge with the surroundings. Wonders of nature 29 PNC_G2_SCI_T3_WB.indb 29 16-12-2019 12:03:50

17) Look at the picture and write three sentences about it. Ans. ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 18) Look at the picture and answer the following questions. a) What is the animal shown in the picture? b) Is it an insect? c) How do spiders create spider webs? Ans. ___________________________________________________ ___________________________________________________ __________________________________________________________________________ __________________________________________________________________________ Application Short Answer Questions (3M per question) 19) Complete the following sentences. a) The leaves of a lily have a ____________________ on the ________________ surface. b) It has a ______________ too. c) _______________ does not stay on the leaf because of the notch and the waxy coating. 30 PNC_G2_SCI_T3_WB.indb 30 16-12-2019 12:03:52

20) Classify the following into flowers that bloom at night and flowers that bloom during the day. (jungle flame, jasmine, pavazhamalli, periwinkle, butterfly pea, spanish cherry) Ans. Flowers that bloom at night Flowers that bloom during the day 21) Complete the following sentences. a) Dogs can hear ________________ sounds and sounds from _______________. b) They are trained and used by the ____________ to _______________________. c) They are also used to ___________________________ during natural disasters. Higher Order Thinking Skills (H.O.T.S.) Short Answer Questions (3M per question) 22) Unjumble the given letters to get the correct names of the animals. Find them in the word search puzzle given below. Ans. a) arzidl : ________________ SP I DER b) pisred : __________________ D T HDR B c) lnais : __________________ E S NA I L MFMR YC L T TGRA L I ZARD Wonders of nature 31 PNC_G2_SCI_T3_WB.indb 31 16-12-2019 12:03:54

23) Collect and paste pictures of some flowers that bloom during the day in the box given below. Ans. 32 16-12-2019 12:03:55 PNC_G2_SCI_T3_WB.indb 32

Inside the Lab Create your compass The magnetic compass is used to detect or find Make sure you do this activity out directions: north, south, east and west. It has only with the help of your a magnetic needle that points to the north. teacher or an adult. You will need: a bar magnet, needle, cork disc, cup/bowl/glass, pair of pliers and water You need to: a) Rub a magnet over the needle about twenty times. Always rub in the same direction. b) Cut off a small portion from one end of the cork, about ¼ inch thick, making a small cork disc. This step should be done with the help of the teacher. c) Put the cork disc on a flat surface. Carefully push magnet the needle through the side of the disc. Use the needle pair of pliers to push the needle. This step should be done only with the help of the teacher. d) Fill a deep cup, glass or bowl with water till at least half full. e) Place the cork disk on the surface of the water. Try to keep the disc floating in the centre of the water, away from the sides of the cup. f) Place your compass on a flat surface and watch what happens. What does the needle do? When it stops moving, which direction does it point towards? PNC_G2_SCI_T3_WB.indb 33 33 16-12-2019 12:03:57

Term Project Make sure you do this Red, green and yellow activity only with the help of your teacher or an adult. Traffic lights are very important in maintaining public safety and order on the road. You will need: red, yellow, green and black construction paper, scissors, glue sticks, markers, an ice cream stick and a circle shaped button or bottle cap to trace circles You need to: a) Use a circle-shaped button or bottle cap to draw circles on the red, green and yellow papers. Cut out the circles. b) Cut a rectangle from the black construction paper. c) Paste the rectangle vertically on the ice cream stick. d) Stick the red circle on the top side, yellow circle in the middle and the green circle at the bottom side of the black rectangle. You can also play the traffic lights game outdoors or indoors if enough space is available in school. This is how you can play the game: a) One person calls out the instructions and pretends to direct traffic. The others follow the instructions. b) There’s a choice of three instructions, all relating to the colour of traffic lights: ‘red’, ‘green’ or ‘yellow’. c) If ‘red’ is called, everyone must stand very still and silent. d) If ‘green’ is called, everyone moves around quite fast. e) If ‘yellow’ is called, everyone moves around in slow motion. f) Ask learners to take turns to direct the traffic and give instructions. 34 PNC_G2_SCI_T3_WB.indb 34 16-12-2019 12:03:59