SANT NIRANKARI PUBLIC SCHOOL FARIDABAD Class VII (2017-18)

Subject-Math Assignment 1 INTEGERS

1. Write down a pair of integers whose sum is 0 2. Find the product of

(- 12) × (- 11) ×10 3. Evaluate : 0 × ( - 12) 4. Fill in the blank : 369× _____ = 369 5. Find the sum of ( - 2035) and 297 6. State if T/F (- 5) × (-1) = - 5 7. Find the value of

28-|-5| 8. Simplify : ( 1 mark each)

a. (-1) × ( -2) × (-3) × ( -4) b. (-3) × ( -6) × ( -2) × ( -1)

9. If a and b are any two integers then (a-b) is also an _____.

10 Find the product using suitable property :

a. (12-19) x (-4) b. 7 x (50-2)

11 Evaluate : [ (-6) + 5)] ÷ [( -2)+1] 12 Find product : -

(-3) x (-3) x (-3) x ……….. 6 times. 13 Simplify :-

c. 9 x (-13) + 9 x (-7). d. 7 x 999+7 e. 27x (-8) + 27 x (-10)

14 Subtract (- 134) from the sum of 38 and (-87). 15 Subtract -( -37) from ( -53)

FRACTIONS

16 Solve it : 4 + 7

8

17 Multiply : 5 × 2

9

18 Find 1

2 of 46

19 Find 12× 3

4

20 𝑎𝑎𝑏𝑏

+ 𝑐𝑐𝑑𝑑

= 𝑐𝑐𝑑𝑑

+ 𝑎𝑎𝑏𝑏

State the law.

21 Convert into a mixed fraction 4715

22 Convert into an improper fraction 437

23 Write down the reciprocal of 12

24 Evaluate :

a. 3

7× 5

9

b. 3

5+ 7

3

25 Arrange in descending order:

15,37

, 710

26 Preeti bought 8 kg of sugar for Rs 148. Find the price of sugar per kg.

27 Solve it:- 7

10+ 2

5+ 3

2

28 Which is greater: 3

5 or 5

8

29 Divide: 6 by 11

16

30 Find 5

11 of Rs 220

Subject-Maths Assignment 2

UNITARY METHOD

1 If 42 men can dig a trench in 14 days, then 1 man can dig it in …….days. 2 If 15 oranges cost Rs60, then 12 oranges cost Rs ………

3 If 10 meters of a uniform rod weighs 18 kg, then the weight of 6 meters of the rod is……….kg.

4 If 12 workers can finish a piece of work in 4 hours, then 15 workers will finish it in………hours.

5 If 15 oranges cost Rs 110, what do 39 oranges cost?

6 A Train covers a distance of 51 km in 45 minutes. How long will it take to cover 221 km? 7 If 48 men can dig a trench in 14 days. How long will 28 men take to dig a similar trench? 8 If the cost of 8 toys is Rs 192, what will be the cost of 14 such toys? 9 If the weight of 6 sheets of a paper is 162 g, how many sheets of same quality of paper would weigh 13.5 kg? 10 If 25 meters of cloth cost Rs 1575, how many meters it can be bought for Rs 2016?

Collection and Organization of Data 11 What do you mean by data ? 12 Mode = 3( ) - 2( ) 13 Find the mean of first five natural numbers. 14 Write the data given below in ascending order and prepare the frequency table. 7, 8, 7, 10, 6, 8, 9, 7, 10, 5, 7, 6, 8, 5, 6, 7, 8, 9, 7, 6, 8. 15 Find the mean of following data: 3, 5, 7, 9, 11, 13, 15. Probability 16 Probability of occurrence of an Event is defined as = ………….. 17 A Coin is tossed 300 times and we get head : 136 times and tail : 164 times. When a coin is tossed at random, what is the probability of getting (i) a head (ii) a tail.? 18 Two coins are tossed simultaneously 200 times and we get two heads: one head : 83 times : O head : 59 times. 19 A die is tossed once. Find the probability of getting i) A no. less than 3 ii) A prime no. iii) A no. greater than 2. 20 A card is drawn from a well shuffled pack of 52 playing cards. Find the probability of getting i) a red card ii) a king iii) A card of spades.

Class – VII(2017-18) Subject -SCIENCE

Assignment -1 Chapter- 1 Nutrition in Plants+ Chapter – 4 Chemical bond Q.1 Fill in the blanks : 1. Body of living organism is made of tiny units ,called ________. 2.__________ is the ultimate source of light. 3. The food synthesised by the plants is stored in ________. 4. Rusting is also known as ____________. 5. Symbol of copper is ___________. Q.2 Why do all organism need to take food ? Q.3 In which way ,solar energy is stored ? Q.4 What may happen on the Earth in the absence of photosynthesis? Q.5 How are green patches in ponds formed?

Q.6 . Write the chemical formula for the following : a. Phosphoric acid b. Methane c. Barium Chloride d. Potassium carbonate d. Calcium Nitrate f. Magnesium Chloride Q.7. Write the formula using criss Cross method : a. Ferric Sulphate b. Aluminium Oxide c. Calcium carbonate d. Sodium Nitride Q.8 Write down the balanced chemical equations for the following : a. Potassium Hydroxide + Hydrochloric acid --------- Potassium Chloride + Water b. magnesium Oxide + Carbon dioxide ----- Magnesium Carbonate c. Cupric Sulphate + Iron ------ Iron Sulphate + Copper d. Sodium Chloride + Water ---- Sodium Hydroxide + Hydrochloric acid Q.9 Explain Why : a. Water is a compound but Air is a mixture. b. Iron doors are painted c. Rate of photosynthesis decreases on a cloudy day . d. Leaves are called food Factory of plants. e. In the absence of photosynthesis , life is not possible on Earth. Q.10. Water plays an important role in plants life processes like photosynthesis and transpiration . Most of the water absorbed is lost through transpiration and still it is not considered as a wastage but necessary. a. How water can be saved while growing plants on available in the house ? b. How reduction of wastage would help ? Q.11 Why Nitrogenous fertilisers are not added in soil in which leguminous plants are grown ? Q.12 At what temperature do Celsius and Fahrenheit scale read the same ?

Q.13 Categorise the following as monoatomic , diatomic and triatomic : a. K ___________ b. SO2 ________________

c. O2 ___________ d. H2O __________ e. HCl ___________ f. CO2 _______________

Science Assignment -2 Lesson – 5 Acids , Bases and Salts

Q. 1. According to the nature give proper place to each substance given below. Curd, common salt , Vinegar , Soap , Sugar , Lime water , Lemon Juice , Window Cleaner , Orange Juice

1. Acidic Nature

2. Basic Nature

3. Neutral Substances

Q. 2 Complete the following table

S.no. Name of Substances Litmus Paper Colour Change

1. Curd Red 2. Salt Blue 3. Lemon Juice Red

4. Window cleaner Blue 5. Vinegar Blue 6. Baking Soda Blue

Q. 3 Fill in the blanks :

1. An Acid tastes ______________. 2. A base taste _______________. 3. Sugar is a _________________ substance. 4. An indicator used in a neutralisation reaction is ________________. 5. Litmus , a natural indicator is extracted from __________________. Q.4 Bring a sample of soil of your area. Find out weather it is acidic , basic or neutral with the help of red or blue litmus solution / paper . Write this observation in the space given below.

Q. 5 . Why citrus fruits not stored in vessels made of metal ? ______________________________________________________________________________________________________________________________________________________________ Q.6. Write the chemical names of the following : a. Calamine solution _____________________________ b. Quick lime _____________________________ c. Milk of Magnesia ____________________________ d. Washing Soda ____________________________ Q.7 . Analogy type questions : 1. Ant’s sting : Calamine :: Soil Treatment : _____________________ 2. Formic acid : Ant’s sting : : ____________________ : Citrus fruits 3. Lactic acid : _______________ : : Oxalic acid : spinach 4. Tartaric acid : Grapes : : ____________ : AMLA 5. Calcium hydroxide : Lime water : : ________________ : Window Cleaner

SCIENCE Assignment- 3 Chapter -12 Motion and Time + Chapter- 16 Water

Q.1 Here are few units of time . Arrange them in a ascending order. Second , day , year, month , minutes , hour ________< ________<________<________<_________<________ Q.2 Lets us calculate your speed of walking. Distance travelled = ____________ metres Time Taken = ____________ sec. Speed = Distance travelled / Time taken Speed = _________ m/s Q. 3 A simple pendulum takes 10s to complete 20 oscillations . What is the time period of the pendulum ? No. Of oscillations = _______ Time taken = ________ sec. Time period of the pendulum = Time taken / No.of oscillations Time period of the pendulum = ___________s Q. 4 Draw a graph from the table given below. The runs are scored in different overs in a match . over 1 2 3 4 5 6 7 8 Runs 13 3 5 14 20 8 15 24 Q.5 Write any two ways through which we can minimise the loss of water ? Q.6 There are 10 tubewells in a lane of 50 houses. What could be the long term impact on the water table ? Q.7 Make a sketch showing ground water and water table and lable it.

Q.8 (a) A car covers 40km in first hour of its journey, 20 km in next hour and 30 km in third hour . Calculate its average speed. (b) Draw distance –time graph for uniform motion.

Q.9 Fill in the blanks : 1. 22 March is celebrated as World ____________ Day. 2. _______% of the Earth ‘s surface is covered with water. 3. Velocity :________ : : Force : Vector quantity 4. 90 Km/h : ________ : : 108km/h : 30m/s Q.10 Activity : Take a stick . Fix it in open . Measure the length of shadow at different intervals of time. * also find out at what time shadow is maximum and at what time it is minimum. Q.11. Write an encouraging slogan on ‘SAVE WATER’ and place it in your school board or at near water tap to create awareness .

Class– VII 2017-18 Subject- English

Assignment-1

Attempt the following questions :- 1. How was Ghulam Ali Khan related to Kale Khan Sahib? 2. What is Sur Mandal? 3. The poem “Wandering Singers” is related to whom? 4. Was Benzy day-dreaming? Why or Why not? 5. Which words in the story describe the insect? 6. How did Bumbuku reach the treasure house? 7.‘The peas and potatoes might have been softer, but we all had good teeth.’ What does this sentence mean? 8. Where do the wandering singers go? 9. What echoes in the forests and streets? 10. The wandering singers play the lute. What is Lute? Grammar

1) Fill in the blanks with the noun the form of the words given in brackets.

a) It was indeed a great _____meeting you after such a long time. (please) b) The commuters appreciated the taxi driver’s______ and gave him a tip (honest) c) The rain brings a lot of _______to the peasants during farming (relieve) d) Every year hundreds and thousands people go for____to Vaishno Devi (pilgrim) e) Priyanshu was quite______even when he was posted at Leh (comfort)

2) In the following passage an article is missing in each of the lines against which a

blank is given. Write the missing word along with the word that comes before and after in the space given below.

Before Missing After a) Mark Polo, one of most remarkable a) b) travellers of all times was son b) c) of adventurous merchant,Nicolo polo. c) d) He was born in Venice, important d)

trading centre in 1254.Marco’s father and uncle were very adventurous.

e) So when they set off on journey e) to China, Marco, then only

f) 17 years old, accompanied two. f) g) They left harbour in 1271, g) h) for long and hard journey ahead. h)

3) Fill in the blanks with suitable Pronouns.

i) When a cobra is angry, it raises ______ hood.

ii) Mrs Mehra called ____ doctor to seek an appointment. iii) Mr. Bedi said ____ new job had given him a lot of valuable experience. iv) I was shocked to find that all ______ books had been stolen. v) When I looked at ____ car, I found that ____ headlights had been damaged. 4) What do you mean by Nouns? How many types of Nouns are there? Write its kinds with one example each.

5) Write down past and perfect form of given verbs: 1) Roam 2) Leave 3) Prepare 4) Drive 5) Pursue 6) Change the following sentences from exclamatory to assertive 1) What an innocent smile the baby has! 2) O that I were in a boarding school! 3) What! You are also here! 4) What a hilarious comedy! 5) Alas! The great leader has departed.

Section – C (writing) 1. Write a paragraph on the use of “Washing Machine”

2. Write an application to your Principal seeking permission to use Volleyball court for

practice.

Note:- Revise the full syllabus of April and May. Read the chapters thoroughly including word meanings.

Subject- English Assignment 2

Class- VII 2017-18

literature Attempt the following questions :- 1.What were the ingredients for the Irish Stew? 2. How did Montmorency show his interest in the preparation of Irish Stew? 3. Who has written the poem “Wandering Singers”? 4. Who was Bombuku? 5. What tricks could Bumbuku perform? 6. Who were connoisseurs of Kale Khan’s concert in Dilli Durbar? 7. How did Ali Bux Khan find out that his son was a talented singer? 8. How did Benzy know that the cockroach wanted to write some more? 9. Why are musical notes called cockroach music in this lesson? 10. How did the cockroach write on the page? GRAMMAR 1)Fill in the blanks with the noun the form of the words given in brackets. a)Priyal does her chores with extreme______ and full ______.( sincere, dedicate) b) It is an age old saying that________is only skin deep (beautiful) c) We shall try our level best to open schools in suburban localities for providing proper ______________ to children (educate) d) __________ cannot be eliminated by mere speeches, action is required for it. (poor) e) The ______ of mobile phones has changed the way we interact with each other (invent)

2) Fill in the blanks with suitable Articles ( A, An or The) Put a cross where article is not needed:- i) ________little knowledge is ______ dangerous thing. ii) Give me ______banana,______orange,______apple and________ pomegranate. iii) _______gold is a precious metal. iv) _____Bay of Bengal lies to ______east of ______India. v)_____Women are more organised than_______men, says a study. 3) Fill in the blanks with correct option:- i) Are there ________(a few, a little) biscuits in the jar? ii) I have ________(some, any) pens in my box. iii)_____(Which, What) is your favourite dress? iv) I don’t want ______( any, some) of your nonsense here. v)______( Few, A few, The few)People know that he is a very talented singer. 4) How many types of adjectives are there? Write down kinds of adjectives with definition and one example each. 5) Rewrite the sentences in the affirmative. 1) Did we read the map properly? 2) Didn’t the clerk inform you of my arrival? 3)Did you forget your wallet at home? 6) Fill the blanks with past tense 1) They _____(inform) the police. 2) He ______( win) the match convincingly. 3) The principal_________(announce) the holiday. 4) They _______(appreciate) her painting. 5) We _________(play) very well.

SECTION- C (WRITING) 1) Write a paragraph on “Computers” 2) Write an application to your Principal seeking permission for using Science Lab.

Note:- Revise the full syllabus of April and May. Read the chapters thoroughly including word meanings.

Civics Assignment (Chapter 1) Class VII 2017-18

1. Answer the following questions in brief: (i) Define Feudalism. (ii) What do you understand by the term Universal Adult Franchise? (iii) What is Coalition Government? (iv) Name three kinds of Party System. (v) Define the term By-Election. (vi) Define Dictatorship. 2. Answer the following questions in detail: (i) What is election? What are the different stages of the process of election? (ii) Name and explain the different forms of democratic government. (iii) Name the significant elements of democracy. (iv) List the duties of opposition party. (v) What does popular participation means? (vi) Name and explain two kinds of political parties present in India? 3. Fill in the blanks: (i) After elections, government is formed by the party getting___________. (ii) The elections are held after every ___________ years. (iii)Democracy originated in the Greek city of ___________. (iv) __________ is the largest democracy in the world. (v) India got independence on ______________. (vi) Bhartiya Janta Party (BJP) is a _________ political party. 4. Write True or False: 1. General Elections are the elections held after every five years. 2. There are two types of political parties in India namely National and Religious. 3. Regional parties are also called local parties. 4. In Parliamentary form of government the President is directly elected. 5. No other form of government gives importance to the principle of equality of people as a democratic government. 5. Give one word: 1. The right to vote in a political election is known as- 2. The President is directly elected in which form of government- 3. Give example of a country where multi-party system is in function- 4. Give example of a country where bi-party system is in function- 5. Name one regional political party-

Geography Assignment(Chapter 1,2) Class VII

1.Answer the following in brief: (i)What is environment? (ii) What is lithosphere? (iii) Define Quarrying. (iv)What is biosphere? (v)Name some secondary sources of energy. (vi) Define Mohorovicic. (vii) Name the domains of environment.

2.Answer the following questions in detail: (i) Why is the earth called the ‘Blue Planet’? (ii) Name different kinds of rocks and write atleast one line about each type. (iii) How does ‘Rock Cycle’ occur? 3.Distinguish between: (i) Biotic and Abiotic Environment (ii) Atmosphere and Hydrosphere (iii) Extrusive Igneous Rocks and Intrusive Igneous Rocks 4.Fill in the blanks: (i) Asthenosphere is another name of ____________. (ii) Granite is ____________ rock. (iii)A metamorphic rock which changes into quartzite is ____________. (iv)The central part of the earth is called______________. (v) The organisms who can produce their food directly from environment are known as ______________. 5. Give two examples of each : (i)Igneous rocks (ii) Sedimentary rocks (iii) Metamorphic rocks (iv) Heterotrophs (v)Omnivorous

History Assignment(Chapter 1,2,3) Class VII

Q1.Fill in the blanks: 1.Skill of making maps is known as ___________. 2.Science of studying inscriptions is known as___________. 3.Biography of Sher Shah is known as ___________. 4._______________ invaded India seventeen times. 5.The Chola empire was divided into provinces called_________. 6.___________ ascended the throne of Delhi Sultanate after Qutubuddin Aibak. 7.Iltutmish’s daughter____________succeeded him. Q2.Write True or False: 1.Holy book of the muslims is Quran. 2.Text engraved on metal or stone surfaces is known as Inscriptions. 3.The Portuguese brought irrigation wheels to India. 4.Bahlol Lodi founded Lodi dynasty. 5. Delhi Sultanate was established by Iltutmish. 6. Pala dynasty was founded by Gopala. Q3.Give one word for the following: 1.Name the book which was written during the time of Alauddin Khalji and contains the lists of coins minted during this period. 2.Name the author of ‘Travels in the Mughal Empire’. 3.Name the science pertaining to systematic collection and study of coins. 4.Name the author of Kavirajamarga. 5.Name the town founded by Firoz Shah Tughlaq.

Q4.Question/Answers: 1.Which period of Indian history is called Medieval period? 2.Who is Numismatist? 3.Name the three languages spoken by Muslims during the Medieval Period. 4.Describe the welfare measures taken by Firoz Shah. 5.Write a short note on the Tripartite struggle over Kannauj. 6.Who was Mahmud of Ghazni? Why did he attack India? 7.Briefly discuss the religious developments that took place in India during the Medieval period. 8.What steps did Alauddin Khalji take to strengthen his army? 9.What measures were taken by Balban to check the position of nobles? 10. What are the difficulties historians face in using manuscripts? Subject- Computer 1) Write few words about Viruses, Trojans and Worms. Write some of the popular virus names on A4 Sheet. 2) Learn Lesson 1,2 .