EVS 5

Chapter 7 7_Experiments With Water Page 51

2- Write 'T' for True and 'F' for False statements.

(i) A flat dough will float on oil whereas puffed puri sink in it. c

(ii) Soap and soapcase both float in water. c

(iii) All ocenas and seas have salty water. c

(iv) A person cannot get drown in Dead sea. c

(v) Things once dissolved in water cannot be separated again. c

(vi) Oil flows faster than water. c

(vii) The amount of water will reduce after heating it for a long time.c

(viii) Dead sea is the saltiest sea in the world. c

(ix) Salt is made from sea water. c

(x) Water evaporates and changes into water vapour. c

3- Fill in the blanks with appropriate words given in the box.

sea water, mud, salt, sugar, Arabian, Dead, sinks, float, honey, soap water,
big machine, the salt law, warm, filtration/sedimentation, salty, sinks,
Dandi March, easily

(i) A needle ............... in water.
(ii) ............... Sea is the saltiest sea in the world.
(iii) ............... is thick and flows slower than water.
(iv) British put tax on............... .
(v) ............... is used to make salt.
(vi) Lemon floats on ............... water.
(vii) Sugar dissolves ............... in ............... water.
(viii) Chalk powder can be separated from water by ............... .
(ix) Gandhiji protested against ............... by undertaking the ............... .

4- What will happen
(i) If we put a raw egg in a glass filled with ordinary water.

______________________________________________________

Page 52 7_Experiments With Water Chapter 7

(ii) If we put a raw egg in a glass filled with salty water.

______________________________________________________

(iii) If we pour some water and oil into a jar.

______________________________________________________

(iv) If we vigorously mix water and oil in a jar.

______________________________________________________

5- Answer the following questions briefly.
(i) Why a person will continue to float in the Dead Sea, even if he does not
know something?

______________________________________________________

(ii) Why do clothes dry faster on a sunny day than on a cloudy day?

______________________________________________________

(iii) Where does the water from clothes go when they are dried in Sun? Name
the process.

______________________________________________________

(iv) Why did Mahatma Gandhi undertake the Dandi March?

______________________________________________________

(v) Is it easy for a person to lie down like this on river water?

______________________________________________________

______________________________________________________

(vi) How is salt made?

______________________________________________________

______________________________________________________

Chapter 7 7_Experiments With Water Page 53

6- Read the following information and answer the questions that follows.
Shumaila put two drops each of groundnut oil, sugar solution and water on a
stainless steel plate. She titled the plate and found that some of the drops sild
down quickly while some lagged behind.

(i) Which drops slid down faster?

______________________________________________________

(ii) Which drops slid down slowest? Why?

______________________________________________________

7- Write the objects given in the box in one of the two types given below the box.

leaf, ice, aluminium foil, pencil, bottle cap, soap, nail, paper, feather,
pebble, spoon, empty plastic bottle, bottle full of water

Objects that sink in water

.................. .................. .................. ..................
.................. ..................
.................. ..................

Objects that float in water

.................. .................. .................. ..................
.................. ..................
.................. ..................

8- How can you separate the following?
(i) Salt from water

______________________________________________________

______________________________________________________

(ii) Chalk powder from water

______________________________________________________

______________________________________________________

Page 54 7_Experiments With Water Chapter 7

(iii) Tea leaves from water

______________________________________________________

______________________________________________________

(iv) Mud from water

______________________________________________________

______________________________________________________

9- Water is called a 'Universal Solvent' because it can dissolve many substances in
it.

(i) Encircle the things given below which can dissolve in water.

Coffee powder Flour Ice

Pepper Detergent Black salt

Cotton Disprin Fruit juice

Honey Butter Mud

(ii) Name two factors that help the things above dissolve faster.

______________________________________________________

______________________________________________________

10- Group the following things under suitable headings in the boxes given:

Blood, Ink, Sugar, Pencil shaving, Ghee, Mud, Milk, Fruit juice, Chalk
powder, Wheat flour, Oil, Lemon juice, Cough syrup, Wax

Soluble in water Insoluble in water

Chapter 7 7_Experiments With Water Page 55

11- You have washed your handkerchief and you want to dry it quickly.
What all can you do?

___________________________________________________________

___________________________________________________________

___________________________________________________________

___________________________________________________________

**********

Page 56 8_A Treat For Mosquitoes Chapter 8

CHAPTER 8

A Treat for Mosquitoes

1- Multiple Choice Questions (MCQs).

(i) How much blood is needed to test malaria?

(a) 2-3 drops c (b) Half a syringe c

(c) Full syringe c (d) Blood is not required c

(ii) From early times which tree bark was used to prepare medicine for malaria?

(a) Teak c (b) Kadamb c

(c) Coral Tree c (d) Cinchona c

(iii) How much blood is needed to test for Anaemia?

(a) 2-3 drops c (b) Half a syringe c

(c) Full syringe c (d) Blood is not required c

(iv) Anaemia is caused by the deficiency of

(a) Calcium c (b) Iron c

(c) Vitamin A c (d) Vitamin D c

(v) In which season is malaria more common?

(a) Summer c (b) Winter c

(c) Spring c (d) Monsoon c

(vi) Ronald Ross got the Nobel Prize for

(a) Physics c (b) Medicine c

(c) Chemistry c (d) Literature c

(vii) Ronald Ross got the Nobel Prize in the year

(a) 1900 c (b) 1902 c

(c) 1903 c (d) 1905 c

Chapter 8 8_A Treat For Mosquitoes Page 57

(viii) What does a mosquito do when it bites us?

(a) It pinches us c

(b) It bite off a piece of flesh c

(c) It tickles us c

(d) It sucks the blood from our body. c

(ix) Which symptom is shown by a person suffering from Malaria?

(a) Indigestion c (b) Vomiting c

(c) Fever c (d) Stomach pain c

(x) Which one of the following disease is spread by a housefly?

(a) Malaria c (b) Dengue c

(c) Dysentery c (d) Chickengunya c

(xi) Which one of the following is a symptom of dysentery?

(a) Indigestion c (b) Loose motion c

(c) Vomiting c (d) All of these c

2- Write 'T' for True and 'F' for False statements.

(i) Malaria is spread only by one kind of mosquito. c

(ii) Blood for testing malaria is taken from the place where a mosquito has

bitten. c

(iii) Children suffering from anaemia do not grow well and their energy levels

are low. c

(iv) In municipal corporation schools, health check-ups are done and health

cards are made for children. c

(v) Mosquitoes breed in stagnant water. c

(vi) Mosquitoes lay eggs in water only. c

(vii) Fish eat the mosquito larvae present in water c

(viii) Flies also bite like mosquitoes. c

(ix) The word 'Malaria' means bad air. c

Page 58 8_A Treat For Mosquitoes Chapter 8

3- Fill in the blanks with appropriate words given in the box.

Ronald Ross, Beaumont, algae, fungus, flu, dengue fever, malaria,
chikungunya, catterpillars, Anopheles, larvae, flies, Nobel Prize, blood test,
cinchona, Anaemia

(i) Malaria is spread by female mosquitoes known as ............... .
(ii) Mosquitoes spread diseases like ............... and ............... .
(iii) The green growth around the stagnant water is made up of ...............
(iv) Apart from mosquitoes, ............... also spread many diseases.
(v) Dr ............... found that mosquitoes spread malaria.
(vi) A ............... helps to diagnose malaria.
(vii) The bark of ............... tree is used to make medicine for malaria.
(viii) Ronald Ross got the highest award the ............... for his discovery.
(ix) ............... is caused due to less haemoglobin in the blood.

4- Circle the food items rich in iron.

Curd Cauliflower Jaggery Potato
Spinach Curry leaves
Amla Banana Milk

French beans Apple

5- Give the reason.
(i) It is advised not to eat cut or uncovered food items.

______________________________________________________

(ii) We should put kerosene oil in fountains, water cooler, etc (where there is
stagnant water).

______________________________________________________

Chapter 8 8_A Treat For Mosquitoes Page 59

6- Answer the following questions.

(i) What is Anaemia?

______________________________________________________

(ii) What kind of diet is suggested for a patient of Anaemia?

______________________________________________________

(iii) What is given in municipal schools to anaemic children?

______________________________________________________

7- Observe the given picture and answer the following questions.

(i) Which test is being done in the pic. (A) ?

______________________________________________________

(ii) Name the instrument that the doctor is using in pic. (B) ?

______________________________________________________

(iii) How can doctors find out that a person has malaria?

______________________________________________________

Page 60 8_A Treat For Mosquitoes Chapter 8

8- Look at Aarti's blood report and answer the following questions.

(i) How old is Aarti and what is the minimum amount of haemoglobin required
in her body?

______________________________________________________

(ii) What do the blood report tell us about Aarti?

______________________________________________________

(iii) What are the effects of anaemia found in children?

______________________________________________________

9- Observe the picture and answer the following questions.

Chapter 8 8_A Treat For Mosquitoes Page 61

(i) Identify the great scientist in the picture.

______________________________________________________

(ii) What contribution has he made in the field of science?

______________________________________________________

(iii) Write a few lines about his research.

______________________________________________________

10- List some activities in and around your house which you can perform to prevent
the diseases like Malaria, Dengue and Chikunguniya.

___________________________________________________________

___________________________________________________________

11- What is larvae? What do they look like and how do they spread diseases?

___________________________________________________________
___________________________________________________________

12- Why people are advised to clear the stagnant water immediately?

___________________________________________________________
___________________________________________________________

13- During which season is malaria more common? Why?

___________________________________________________________
___________________________________________________________

14- How do housefly spread diseases? How it can be prevented?

___________________________________________________________
___________________________________________________________

15- What are algae? Where and when are they commonly seen?

___________________________________________________________
___________________________________________________________

Page 62 8_A Treat For Mosquitoes Chapter 8

16- Look at the various preventive measures shown in the pictures and write 2-3

lines on each. Also give some other preventive measures against mosquito bites.

___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________

17- Look in your surroundings and find out how flies cause diseases even though
they do not bite us.

___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________

Chapter 8 8_A Treat For Mosquitoes Page 63

18- Tick ({) the correct answer.

(i) During which season malaria is more likely to spread?


(ii) Where do you think the mosquito breed?


19- Name the different stages of life cycle of a mosquito.

20- Name the following:

(i) Three diseases spread by a housefly.

......................... ......................... .........................
.........................
(ii) Three diseases spread by a mosquito.

......................... .........................

Page 64 8_A Treat For Mosquitoes Chapter 8

21- Look at the picture and answer the following :

(i) Name the bark of the tree as given in the above picture.

______________________________________________________

______________________________________________________

(ii) What are the uses of the bark as shown in the fig.?

______________________________________________________

______________________________________________________

(iii) How did the people in the earlier times get cured from malaria?

______________________________________________________

______________________________________________________

Chapter 8 8_A Treat For Mosquitoes Page 65

22- Look at the given reports and answer the following questions:

(i) Whose report is shown above?

______________________________________________________

______________________________________________________

(ii) What has been diagnosed in the report?

______________________________________________________

______________________________________________________

(iii) What symptoms does a person suffering from malaria show?

______________________________________________________

______________________________________________________

(iv) Which parasite was found in the blood sample of the patient?

______________________________________________________

______________________________________________________

Page 66 8_A Treat For Mosquitoes Chapter 8

23- In your group, make a poster with a message to keep the cooler, tank, drains

and the area clean (wherever water collects). Put up your poster in and around

your school.

**********

Chapter 9 9_Up You Go Page 67

CHAPTER 9

Up You Go!

1- Write 'T' for True and 'F' for False statements.

(i) Sangeeta was a teacher from Kendriya Vidyalaya. c

(ii) A group leader walks ahead of the group. c

(iii) Medical check-ups were done every morning. c

(iv) Tekla village is at height of 2600 m. c

(v) Mountaineers make food on chulhas. c

(vi) Mount Everest is called Sagarmatha in Nepal. c

(vii) Sangeeta was leading group seven. c

(viii) Most of the members in group seven could speak hindi well. c

(ix) While climbing up, the body should be kept at an angle of 45c. c

(x) There was a special kind of discipline in the camp. c

2- Fill in the blanks with appropriate words given in the box.

blisters, bleeding, Mizo, Tamil, Telugu, skates, sticks, pegs, nails, hooks,
women, children, 45c, 90c, Bachhendri Pal, Sangeeta, tomatoes, cucumbers,
2nd, 5th, 8000, 8848, five, world, Confidence, last soft feathers Sagarmatha,
Himalayan, sherpa, hikers

(i) Sangeeta had ............... on her feet.
(ii) Khondonbi spoke only ............... language.
(iii) The rope was tightly fixed to ............... on both sides of the river.
(iv) Body should be kept at an angle of ............... while climbing a rock.
(v) Khondonbi plucked two ............... from the field.
(vi) Mountaineers walk on snow with the help of ............... .
(vii) On the last day of camp, the 'Best Performace Award' was given to

............... .

Page 68 9_Up You Go Chapter 9

(viii) ............... became the first Indian woman and the ............... woman in the
world to reach Mount Everest.

(ix) The height of Mount Everest is ............... metres.

(x) The Mount Everest is called ............... in Nepal.

(xi) There was camp fire on the ............... day of the camp.

(xii) The sleeping bags were filled with ............... to keep the camper warm.

(xiii) ............... comes when we face challenges with courage.

(xiv) K2 is a mountain in the ............... range.

(xv) ............... are native people who help ............... .

(xvi) K2 is ranked in the top ............... most difficult mountains to climb in the
...............

3- Give reason for each of the following.
(i) Sangeeta could not talk to Khondonbi even once.

______________________________________________________

(ii) Mountaineers take Vitamin C, Iron tablets and hot chocolate milk with
breakfast.

______________________________________________________

(iii) Everyone was pushing each other to go first for crossing the river.

______________________________________________________

(iv) Mountaineers first observe the rocks carefully before beginning to climb.

______________________________________________________

(v) Mountaineers get into the sleeping bags for sleeping in high mountains.

______________________________________________________

4- Answer the following questions based on Bachhendri Pal's life.
(i) Where did Bachhendri Pal spend her childhood?

______________________________________________________

Chapter 9 9_Up You Go Page 69

(ii) Which institute did Bachhendri Pal join to learn mountaineering?

______________________________________________________

(iii) Who was Bachhendri Pal's guide?

______________________________________________________

(iv) Bachhendri Pal was selected to climb which mountain in 1984?

______________________________________________________

(v) Define the terms (a) Sleeping bags (b) Rock climbing

______________________________________________________

5- Answer the following questions in brief.
(i) What did Sangeeta Arora decide to do when she saw blisters on her feet
on the second day of her camp? How did Brigadier Gyan Singh react to
her problem?

______________________________________________________

(ii) What do mountaineers use for their safety?

______________________________________________________

(iii) What is rappeling?

______________________________________________________

(iv) How did Sangeeta meet Bachhendri Pal?

______________________________________________________

(v) What programme was there on last day of camp?

______________________________________________________

(vi) Why did Bachhendri Pal put the Indian flag on the peak?

______________________________________________________

Page 70 9_Up You Go Chapter 9

6- Answer the following questions based on the experience of Sangeet Arora.

(i) What was her group number?

______________________________________________________

(ii) Who were the other members in her group?

______________________________________________________

(iii) Who were other members in the camp?

______________________________________________________

(iv) Who was the leader of her group?

______________________________________________________

(v) In which institute was she learning mountaineering?

______________________________________________________

(vi) Who was the director of their Adventure Course?

______________________________________________________

7- Observe the picture and answer the following questions.

(i) What are the girls doing in the picture?

______________________________________________________

Chapter 9 9_Up You Go Page 71

(ii) Why were double layered plastic sheets used for the tent and the ground?

______________________________________________________

(iii) In order to keep the insects and reptiles away, something is done around
the tent. What is it?

______________________________________________________

8- Answer the following questions in detail.
(i) What are the responsibilities of a group leader in mountaineering?

______________________________________________________

______________________________________________________

(ii) How were Sangeeta and Khondonbi left behind from their group? How did
they meet their group again?

______________________________________________________

______________________________________________________

(iii) How did Bachhendri Pal survive the snow storm and reach the peak of
Mount Everest?

______________________________________________________

______________________________________________________

(iv) Which incident transformed Sangeeta into a confident and courageous
person?

______________________________________________________

______________________________________________________

Page 72 9_Up You Go Chapter 9

9- Make a list of things that mountaineers keep in their rucksack.

(i) ....................................... (ii) .......................................

(iii) ....................................... (iv) .......................................

(v) ....................................... (vi) .......................................

(vii) ....................................... (viii) .......................................

(ix) ....................................... (x) .......................................

(xi) ....................................... (xii) .......................................

10- Find out.
(i) The highest peak in the world, its height and located in which country.

______________________________________________________

(ii) The highest peak in India, its height and located in which state.

______________________________________________________

(iii) The first man to climb Mount Everest.

______________________________________________________

(iv) The names of two mountaineering institutions in India.

______________________________________________________

(v) Four adventure activities, apart from mountaineering.

______________________________________________________

______________________________________________________

Chapter 9 9_Up You Go Page 73

11- Your school is conducting an adventure camp where rock climbing and river

crossing will be done. Make a list of things and safety equipments that you will

carry. Also design a flag for your camp.

12- Identify and write the name of the given equipments used by the mountaineers:

**********

Page 74 10_Walls Tell Stories Chapter 10

CHAPTER 10

Walls Tell Stories

1- Multiple Choice Questions (MCQs).

(i) How many bastions are there in Golconda fort?

(a) 67 c (b) 78 c

(c) 87 c (d) 92 c

(ii) Which emperor's cannon is kept in Golconda fort?

(a) Qutubshahi c (b) Abul Hassan c

(c) Aurangzeb c (d) None of these c

(iii) The gun placed in Golconda Fort was made of

(a) copper c (b) iron c

(c) steel c (d) bronze c

(iv) For how long did Aurangzeb army camp outside Golconda fort to capture
it?

(a) 2 weeks c (b) 8 weeks c

(c) 2 months c (d) 8 months c

(v) Where is Golconda fort? (b) Hyderabad c
(a) Ahmedabad c

(c) Udaipur c (d) Jaipur c

2- Write 'T' for True and 'F' for False statements. c
(i) In the year 1200 AD, the Golconda fort was made of bricks. c
(ii) People like farmers and workers also lived in Golconda fort. c
(iii) Golconda fort has four floors. c
(iv) A long deep ditch (pit) was made along the Golconda fort walls.

Chapter 10 10_Walls Tell Stories Page 75

(v) In the fort, a thousand years ago, tribal people were able to extract copper
and tin from the mines. c

(vi) Golconda Fort was made by Qutubshahi Sultans. c

(vii) Every may should have a scale and a key. c

(viii) The fort has bastions for its security. c

(ix) The fountain on the rood of Sultan's Palace in Golconda Fort ran with the
help of electricity. c

(x) The museum in Hyderabad displayed pots, jewellery, swords, etc. for

sale. c

3- Fill in the blanks with appropriate words given in the box.

Moti Darwaza, Fateh Darwaza, harmless, atomic, nuclear, clay, mud,
Mughal, Aurangzeb, Qutubshahi, carvings, paintings, 1200 AD, 1687, town

(i) ............... Sultans lived in Golconda from 1518-1687.
(ii) Guns and cannons were used in the past. These days many countries have

............... bombs.
(iii) If a person stands at ..............., whatever he speaks can be heard at the

king's palace.
(iv) ............... pipes were used to carry water to different places in the palace.
(v) There were beautiful ............... on the walls of Golconda fort.
(vi) Golconda Fort was built with mud in ............... .
(vii) The fort had a complete ............... inside it.

4- Give reason.
(i) Bastions were even higher than the fort walls.

______________________________________________________

(ii) Aurangzeb's army could not get into the Golconda fort.

______________________________________________________

Page 76 10_Walls Tell Stories Chapter 10

5- Using the clues given below, guess the word. _a__io_s
_a__o_
(i) The part of the wall that comes out in a round shape _e_ra_
_u_eu_
(ii) The big sun _a__a_

(iii) The archs to move through

(iv) A place where old items are kept

(v) Leather bags to carry water

6- Circle the special features things of the Golconda Fort.

Swords Jewellery Sharp Iron Spokes

Factories Huge gate Roads

Carved walls Thin walls Burj

Big halls Gardens Fountains

7- Answer the following in brief.
(i) How did the emperors and kings in earlier times make smaller kingdoms a
part of their own kingdom?

______________________________________________________

(ii) What are bastions? Why holes were made in the bastions?

______________________________________________________

(iii) How was the water lifted to big tanks and fountains on the roof?

______________________________________________________

(iv) What were the arrangements of light and air in Golconda fort?

______________________________________________________

(v) Which things were found when the place around Golconda was dug?

______________________________________________________

Chapter 10 10_Walls Tell Stories Page 77

8- Observe the figure and answer the following questions.

(i) Which animal is used to move the 'toothed wheel'?

______________________________________________________

(ii) In which direction would the 'toothed wheel' move?

______________________________________________________

(iii) How was water lifted from the well?

______________________________________________________

Page 78 10_Walls Tell Stories Chapter 10

9- Look at map and complete the story.

I always wanted to visit Golconda Fort. I entered the fort through Bodli Darwaza
and headed ........... (north/south) towards Moti Mahal which is in the ...........
(centre/corner) of the fort. From there Bagh Naya Qila is in ........... (west/east)
while Bala Hisar is in ........... (east/west). To see Naya Qila, I should go ...........
(south/north) and to see Dhan-ka-kota I must go ........... (west/south) from
Moti Mahal. But I decided to see Resham Bagh which is ........... (east/west) of
Katora Hauz. I visited all the places and finally exited from Banjara Darwaza.

10- Answer the following in 40-50 words.
(i) Describe about the intelligent architecture of the Golconda fort.

______________________________________________________

______________________________________________________

(ii) 'It is important to have museum'. Give reason.

______________________________________________________

______________________________________________________

Chapter 10 10_Walls Tell Stories Page 79

11- Write names of things that help us to know about the past [e.g. coins]

(i) ....................................... (ii) .......................................

(iii) ....................................... (iv) .......................................

(v) ....................................... (vi) .......................................

12- Identify the monuments and write their names.

**********

Page 80 11_Sunita in Space Chapter 11

CHAPTER 11

Sunita in Space

1- Multiple Choice Questions (MCQs).

(i) Which of the following countries is situated on the lower part of the globe?

(a) England c (b) Brazil c

(c) Germany c (d) USA c

(ii) Which of the following are in space?

(a) Stars c (b) Moon c

(c) Sun c (d) All of these c

(iii) Which of the following festivals is related to the moon?

(a) Gurupurab c (b) Dushhera c

(c) Eid c (d) Christmas c

(iv) In high school, Sunita wanted to become a
(a) teacher c (b) helicopter pilot c

(c) diver c (d) astronaut c

(v) When did Sunita Williams set a new record for the longest space flight by
a woman?

(a) In 2002 c (b) In 2005 c

(c) In 2007 c (d) In 2009 c

2- Write 'T' for True and 'F' for False statements.
(i) The sky, stars, sun and moon are inside the globe. c
(ii) Food and water also float in a spaceship. c
(iii) The earth pulls everything towards itself. c
(iv) Sunita Williams went 630 km away from the earth. c
(v) There are lines drawn on the ground between the states and countries.c

Chapter 11 11_Sunita in Space Page 81

(vi) Stars revolve around the earth. c

(vii) Moon changes its phase every night. c

(viii) Moon is a natural satellite of Earth. c

(ix) A space ship carry astronauts in to the space. c

3- Fill in the blanks with appropriate words given in the box.

seas and oceans, land, Kalpana's, her, 9 months, 6 months, seas, clouds,
blobs, bubble, meteorite, Globe, space flight, Neil Armstrong, Gravity

(i) The blue parts of the globe are ...............
(ii) Water floats like ............... in space.
(iii) Sunita Williams has spent more than ............... in space.
(iv) Sunita Williams could only make out the ............... and the ............... on

the earth from space.
(v) Sunita Williams made a record for the longest ............... by a women.
(vi) ............... is an model of the Earth.
(vii) ............... was the first man to walk on the moon.
(viii) On earth, when we throw something up, it comes down due to ............... .
(ix) A shooting star is a ............... which catches fire on entering the earth's

atmosphere.

4- Observe the following pictures and write their numbers against the correct state-
ments associated with them.

Page 82 11_Sunita in Space Chapter 11

Statements c
(i) Look my hair is standing, no problem while working. c
(ii) Sunita outside the spaceship, really in space. c
(iii) We take off. c
(iv) Where is this food flying away? c
(v) Our feet don't stay on the floor.

5- Give reason.
(i) People living in Brazil and Argentina (countries on the lower part of the
globe) do not fall off.

______________________________________________________

(ii) The sea water doesn't fall off.

______________________________________________________

(iii) Paper has to be stuck to the wall of a spaceship in space.

______________________________________________________

(iv) In space there was no need to use a comb.

______________________________________________________

(v) In a spaceship, space travellers did not experience the pull of the earth.

______________________________________________________

(vi) When we throw a ball in the air it falls back.

______________________________________________________

Chapter 11 11_Sunita in Space Page 83

(vii) Children always slide down the slide and not slide up.

______________________________________________________

(viii) From mountains, water flows downwards, not upwards.

______________________________________________________

6- Write if the following incident will take place in space or on the earth in the
table below.
(i) Person floats in air
(ii) Water stays in a bucket
(iii) Water takes shape of blobs
(iv) Food floats
(v) Hair keeps standing
(vi) Water falls downwards on a slope
(vii) A coin comes back to our hand when thrown up

Earth Space

........................................ ........................................

........................................ ........................................

........................................ ........................................

........................................ ........................................

Answer the following in one word or one line.
(i) From whom was Sunita inspired in her childhood?

______________________________________________________

(ii) What did Sunita want to become when she was young?

______________________________________________________

(iii) What did she become when she grew up?

______________________________________________________

Page 84 11_Sunita in Space Chapter 11

(iv) What record did Sunita make?

______________________________________________________

(v) Why did Sunita want to become a school teacher?

______________________________________________________

7- Answer the following questions briefly.
(i) Who is Sunita Williams? Why did she come to India?

______________________________________________________

(ii) What was Kalpana's dream?

______________________________________________________

(iii) How did Sunita describe her view of the earth from space?

______________________________________________________

(iv) A coin and a small piece of paper (size equal to the coin) are dropped
from the same height and at same time. The coin reaches the ground first.
Why?

______________________________________________________

(v) 'All the lines on the maps are made by us, they are in our minds'.
(a) Who said these words?

____________________________________________________

(b) What do you understand from these words?

____________________________________________________

8- How does the earth appear from the surface of the moon?

___________________________________________________________
___________________________________________________________

Chapter 11 11_Sunita in Space Page 85

9- Sunita Williams explained that they (space travellers) do very simple things

differently like:

(i) sitting at one place (ii) washing their face

(iii) eating food (iv) combing

How do they do these? Why?

___________________________________________________________

___________________________________________________________

10- Observe the given shapes of the moon

Find out :
(i) Put a tick mark on the shape when it will be full moon.

______________________________________________________

(ii) Put a tick mark on the crescant moon.

______________________________________________________

(iii) Put a tick mark on no moon night.

______________________________________________________

Page 86 11_Sunita in Space Chapter 11

11- Explain the terms given below

(i) Astrology ............................................................

(ii) Shooting star ............................................................

(iii) Spaceship ............................................................

(iv) Satellite ............................................................

(v) Globe ............................................................

12- Identify the following space travellers and write few lines on each:
............................................................................................
............................................................................................

............................................................................................

............................................................................................
............................................................................................
............................................................................................

............................................................................................
............................................................................................
............................................................................................

Chapter 11 11_Sunita in Space Page 87

13- Complete the crossword with the help of the clues given.

Across

1. A meteorite which catches fire when it enters the earth's atmosphere.
3. The sky, stars, sun and moon are all in ................ .
7. The moon when it appears perfectly round in the sky.
Down

2. A vehicle designed to travel in space
4. Our planet
5. Organisation for which Sunita Williams works
6. It is used for the TV, telephones and weather reports
8. Model of the earth

14- Write the full form of the following abbreviations.

(i) NASA - .................................................................................

(ii) ISRO - .................................................................................

Page 88 11_Sunita in Space Chapter 11

15- Give one word answer: ..........................

(i) World's first unmanned spacecarft.

(ii) First Indian to go in to space. ..........................

(iii) The Russian spacecraft in which Rakesh

Sharma travelled. ..........................

(iv) First Indian satellite to map moon. ..........................

(v) First American to walk on moon. ..........................

(vi) First women to go in to space. ..........................

(vii) The first man to travel into space. ..........................

16- HOW DO YOU FEEL IN SPACE? Underline or tick ({) the correct answer from
the options given below.
(i) Weightless/Heavy
(ii) Can walk/Can only float
(iii) Can breathe freely/Can breathe through oxygen cylinder
(iv) Can hear/Cannot hear

17- Name the following: ...............................
(i) Four man-made satellite. ...............................
...............................

...............................

(ii) Four famous astronauts. ...............................
............................... ...............................

...............................

Chapter 11 11_Sunita in Space Page 89

18- Spacey Word Search
Search for the words horizontally, diagonally and vertically in the word grid as
given on the below, then circle them as you find them.

mercury E P O C S E L E T J P MR S M
venus Q L S ME RC URYOF E P O
mars P S S A EBE NYOCS TAP
jupiter N P E E T G WMN B MT I C K
saturn J NEP TUN EXCS APEE
uranus V ENU S XR L I KTRUCT
neptune R Z C WR U X N D C A D J R U
telescope J MA R S P N Q D O R U P A H
stars Z XS Q BRK OVTS S HF U
moon MDI U HI MTUVB TS TS
sun WL D S I E T R O MG G E B Y
planet L AUB TKA S TEROI DS
meteor A KCE PNF RS ORBI TW
comets S NOT UOA F NPL ANET
asteroids R R P S P X L X C O ME T S D
spacecraft

**********

Page 90 12_What if it Finishes ... Chapter 12

CHAPTER 12

What if it Finishes ...?

1- Multiple Choice Questions (MCQs).

(i) Which of the following fuels gives least smoke?

(a) Petrol c (b) CNG c

(c) Diesel c (d) None of these c

(ii) To clean oil found deep down in the earth, it is sent to
(a) pumps c (b) oil depot c

(c) refinery c (d) mills c

(iii) Which of the following is obtained from petroleum?

(a) Wax c (b) LPG c

(c) Coal tar c (d) All of these c

(iv) Which gas is used for cooking in homes?

(a) CNG c (b) LPG c

(c) Both (a) and (b)c (d) None of these c

(v) How many people in our country use uple, wood and dry twigs to cook
food?

(a) Half of the people c

(b) One fourth of the people c

(c) Two thirds of the people c

(d) All the people c

(vi) Which mode of transport can reduce congestion or road?

(a) Car c (b) Auto c

(c) Bus c (d) Scooter c

Chapter 12 12_What if it Finishes ... Page 91

(vii) Which mode of transport does not cause pollution?

(a) Train c (b) Bus c

(c) Motor cycle c (d) cycle c

(viii) Which of these is a renewable source of energy?

(a) Solar c (b) Kerosene c

(c) Petrol c (d) Natural Gas c

2- Write 'T' for True and 'F' for False statements.
(i) Vehicles on the road make noise. c
(ii) The problem of traffic jams is due to increased number of vehicles. c
(iii) It is not safe to go on speeding vehicles. c
(iv) Rates of petrol are different in different cities. c
(v) Oil can be found everywhere under the ground. c
(vi) Oil is formed naturally and quickly. c
(vii) Oil pumped out from the ground is a smelly, thick, dark coloured liquid.c
(viii) Electricity can be used to run vehicles. c
(ix) CNG is a preferred fuel to petrol and diesel. c
(x) Petrol can be artificially made. c
(xi) Using public transport can reduce the level of pollution extent. c
(xii) Burning of damp wood does not cause pollution c

3- Fill in the blanks with appropriate words given in the box.
pipes, machines, borewells, driller, petrol pump, shop, cars, bicycle, switch
on, switch off, Hyderabad, Ahmedabad, wet, damp, cheaper, plastics,
refinery, solar, petroleum

(i) Adalaj stepwell is about 18 km from ...............
(ii) Generally, we don't see any ............... on highway.
(iii) Vehicles stop at a ............... for fuel.
(iv) ............... the engine when you stop the car at red light.

Page 92 12_What if it Finishes ... Chapter 12

(v) Through ............... and ............... petroleum is pumped out of the earth.

(vi) There is lot of smoke when ............... wood is burnt.

(vii) Crude oil is sent to the ............... for cleaning and separating them.

(viii) Diesel is ............... than petrol.

(ix) ............... is non renewable and exhaustible resource but ............... energy
is renewable and unlimited.

(x) We get kerosene, diesel, petrol, LPG, Coal tar, wax, etc. from ............... .

(xi) Petroleum is used to making ............... and paints.

4- Give reason.

(i) The majority of people in our country use uple, wood and dry twigs, etc.
as fuel.

______________________________________________________

(ii) CNG is a superior fuel to petrol.

______________________________________________________

5- Answer the following questions briefly.
(i) What problems can we have from the following?
(a) smoke coming out of vehicles.

____________________________________________________

(b) noise of vehicles.

____________________________________________________

(ii) What did the child decide to discuss with his Baba about saving oil?

______________________________________________________

(iii) Why did Manju said, "I will invent a car that runs on sunlight"?

______________________________________________________

(iv) Why is it better if fewer vehicles run on road?

______________________________________________________

Chapter 12 12_What if it Finishes ... Page 93

6- Read the following passage and answer the questions that follows.

Treasure From the Earth

It is not easy to find out where oil is, deep down below the earth. Scientists
use special techniques and machines to find this out. Then through pipes and
machines petroleum is pumped up. This oil is a smelly, thick, dark coloured
liquid. It contains many things mixed in it. To clean and separate these, it is sent
to a refinery. Have you heard of a 'refinery'?

It is from this 'petroleum' or oil that we get kerosene, diesel, petrol, engine
and fuel for aircraft. Do you know that LPG (cooking gas), wax, coal tar and
grease are also obtained from this?
It is also used in making several other things like plastics and paints.

(i) From where do we get petroleum?

______________________________________________________

(ii) How much time does it take for the formation of oil?

______________________________________________________

(iii) How is it extracted?

______________________________________________________

(iv) Can extracted oil be used in same form?

______________________________________________________

(v) Where is the oil (petroleum) sent after it is extracted? Why?

______________________________________________________

(vi) Name any five products obtained from oil (petroleum).

______________________________________________________

7- What problems will we face in the future due to increasing number of vehicles?
Suggest some ways to deal with the problems.

___________________________________________________________

___________________________________________________________

Page 94 12_What if it Finishes ... Chapter 12

8- Observe the picture and answer the questions that follows.

(i) What is the lady carrying with her in the basket? Why?

______________________________________________________
______________________________________________________

(ii) Is it safe to use it? Why?

______________________________________________________
______________________________________________________

9- Look at the following bar charts and answer the questions that follows.

(i) In 1976 which fuel was used the

(a) maximum (b) minimum

______________________________________________________

Chapter 12 12_What if it Finishes ... Page 95

(ii) In 1996 which fuel was used the

(a) maximum (b) minimum

______________________________________________________

(iii) In 1976, electricity was used in ............... houses and in 1996 this increased
to ............... . This means that in twenty years their use increased by
............... %.

(iv) Consumption of which fuels has decreased from 1976 to 1996 ?

______________________________________________________

(v) Consumption of which fuels has increased from 1976 to 1996 ?

______________________________________________________

10- Look at the poster and answer the following questions.

(i) Do we have limited or unlimited reserves of fuel?

______________________________________________________

(ii) List any five ways in which you can save petrol.
(a) ................................................................................
(b) ................................................................................
(c) ................................................................................
(d) ................................................................................
(e) ................................................................................

Page 96 12_What if it Finishes ... Chapter 12

11- Put a ({) on the vehicles which run without fuel and a (#) on the vehicles which

run using fuel.

(i) Train c (ii) Rickshaw c

(iii) Aeroplane c (iv) Bicycle c

(v) Autorickshaw c (vi) Horsecart c

(vii) Ship c (viii) Bus c

(ix) Scooter c (x) Car c

12- In each use, write what may be used in its place if it finishes?

___________________________________________________________
___________________________________________________________

13- Journey of Petrol
The statements given below show how petrol reaches vehicles for use, but these
are not in correct order. Put the numbers against each of these to make their
sequence correct.

(i) Petrol reaches petrol c (ii) Petrol filling in the car c
depot

(iii) Petroleum oil dug out c (iv) Petrol transported to c
petrol pump

(v) Petroleum cleaned in c (vi) Petroleum oil c
refinery transported

14- Write
(i) The full form of
(a) CNG .........................................................................................
(b) LPG .........................................................................................

(ii) Any two oil refineries in India with their location.

______________________________________________________

______________________________________________________

Chapter 12 12_What if it Finishes ... Page 97

(iii) Countries having large oil reserves.

______________________________________________________

______________________________________________________

15- Name the following: .................... ....................
(i) Two vehicle that run petrol. ....................
....................
(ii) Two vehicle that run on diesel. .................... ....................

(iii) Two vehicle that do not need any fuel. ....................

(iv) Two vehicle that run on CNG. ....................

16- Find out the rate of petrol and diesel in the metropolitan cities.

Cities Petrol per litre Diesel per litre

Delhi

Mumbai

Kolkata

Banglore

17- Look at the pictures below showing five different types of stoves.
Write the fuel used in the different types stoves given below:

Stove 1 Stove 2 Stove 3
.................... .................... ....................

Page 98 12_What if it Finishes ... Chapter 12

Stove 4 Stove 5 ....................
.................... ....................

18- Write and label the five oil refineries and their states in the political outline map
of India.

Chapter 13 13_A Shelter So High Page 99

CHAPTER 13

A Shelter So High !

1- Multiple Choice Questions (MCQs). c
(i) Which of the following place is a 'cold desert'?
(a) Manali c (b) Changthang

(c) Ladakh c (d) Srinagar c

(ii) Where is Leh? (b) Ladakh c
(a) Changthang c

(c) Srinagar c (d) Manali c

(iii) The carving on the celling of houseboat and big houses in Srinagar is
called

(a) motif c (b) panel c

(c) Khatamband c (d) Mehraab c

(iv) Some old houses in Srinagar have a special window which comes out of the
wall known as

(a) Lekha c (b) Donga c

(c) Dab c (d) Mehraab c

(v) Which of the following is not a type of house?

(a) Dab c (b) Donga c

(c) Houseboat c (d) Rebo c

(vi) Bakarwal people live in houses made of

(a) mud and lime c

(b) stones and mud c

(c) bamboos c

(d) mud and hay c

Page 100 13_A Shelter So High Chapter 13

(vii) In which direction does one have to travel while going from Mumbai to
Leh?

(a) East c (b) West c

(c) North c (d) South c

(viii) It is difficult to breathe at high places. Why?
(a) The body stops working properly at such heights c

(b) Air is thin and at low pressure. c

(c) Due to cold, air freezes c

(d) Nose has to work harder to breather in air c

2- Write 'T' for True and 'F' for False statements. c
(i) Gaurav Jani's journey took about 4 months. c
(ii) The roads to reach Leh were difficult to travel on. c
(iii) Ladakh gets very little rainfall. c
(iv) Changthang is at height of almost 6000 m. c
(v) Changpa tribe has only 500 people. c
(vi) Changpas had horses and yaks. c
(vii) Changpas move from one place to another. c
(viii) Leh, a cold desert,receives heavy rainfall in summers. c
(ix) The roof is the most important part of houses in Leh. c
(x) The design of Rebo is more than a thousand years old. c
(xi) There were houses of different colours in Leh.

3- Fill in the blanks with appropriate words given in the box.

Shikara, houseboat, donga, Loner, Jumbo, Ladakh, welcome, bye, 50, 5, 80,
8, 1400, 2800, Mumbai, Jammu, dab, mehraab, 250, mud, dab, lime, lekha

(i) Gaurav Jani went on a long journey with his motorcycle named ...............
(ii) The distance between Mumbai and Delhi is ............... km.