DPS FAMILY WISHES YOU

Transcription

1 (Under the aegis of the Delhi Public School Society, New Delhi) Affiliation No: School Code: DPS FAMILY WISHES YOU

2 ww DELHI PUBLIC SCHOOL - GANDHIDHAM ENGLISH WORKSHEET Q1) Fill in the blanks using appropriate proposition:- 1. He went the market. 2. He lives a small town. 3. I met him the afternoon. 4. He took something the drawer. 5. He put the books the table. 6. He fell the ladder and broke his leg. 7. Let us hope the best. 8. There is someone the door. 9. There is a mistake the third line. 10. I was born Kerala. 11. Soumya is the best girl the class. 12. Indians celebrate Independence Day the 15th of August. 13. This table is made wood. 14. I live the sea. 15. There is something the curtain. Q2) Write the degrees of the following words:- Positive Comparative Superlative Brave Older best Worse neatly Q3) Notice writing :- You are Dev/Devika of Class VII. You have lost your water bottle. Probably you left it on your desk. Write a notice to be put on the school notice board. Q4) Write lines about this famous personality. Write the summary of the story HOME- COMING. DIWALI HOLIDAY HOMEWORK CLASS VII 2

3 ENGLISH WORKSHEET Q1) Underline the prepositions sentences in the following :- 1. Parents always care about the children. 2. He shouted at the children. 3. He went to the hospital. 4. He will be transferred to Hong Kong branch next year. 5. He is good at swimming. 6. He dedicated his life to chemistry. 7. I failed in my attempt to climb the mountain. 8. He finally voted for her. 9. He arrived at the police station. 10. She will go to Japan for a holiday. 11. She is afraid of cockroach. 12. The lift is out of order. 13. He is griping at his salary. 14. She was disappointed with her daughters exam. 15. The film is suitable for you. Q2) Fill in the blanks choosing the correct words from those given in the bracket. 1) Mr. Dave is the loved teacher in our school. ( more/most) 2) Lead is the metal. ( heavy/heaviest) 3) She is than I ( younger/youngest) 4) My shirt is yours. ( white/whitest) 5) My cat is as as my puppy. ( playful/more playful) Q3) Notice Writing:- You are Raj/Rajvi of class VII. You borrowed R.K.Narayan;s Swamy and Friends from school library. Immediately afterward you left it in the music room but could not find it later. Write a notice to be put up on the school notice board. Q4) Dolls are among the oldest creations of the man. Write how the dolls are used in various parts of the world. DIWALI HOLIDAY HOMEWORK CLASS VII 3

4 ENGLISH WORKSHEET Q1) Complete the following sentences by choosing appropriate prepositions. 1. This material is different that.(from, to,with) 2. You should explain this them.(to, at, with) 3. He has been absent Monday.(since,for,from) 4. I haven t been to the theatre a long time.(for, since, from) 5. He goes.. school by car.(in, to,at) 6. This is a comfortable house to live ((at,on,in) 7. They are called. different names.(with, by, for) 8. We should not spend money. luxuries.(for,on, at) 9. I gave him a chair to sit.(in, on,at) 10. The new term begins. June 1st.(at, on,in,) Q2) Define Adverb. How many kinds of adverb are there. Name them. Explain each of the type by suitable examples. Q3)Notice Writing:- Your school is going to organize an excursion. Imagine you are head boy/girl. Write a notice informing the students about the excursion and asking for the names of those who would like to join the excursion. lines. last line Q4) Name the poem and the poet. Write the summary of the poem in 7-8 write what the horse is thinking about his master. And explain the of the poem And Miles to go before I sleep. DIWALI HOLIDAY HOMEWORK CLASS VII 4

5 SCIENCE WORKSHEET OF CHAPTER -SOIL A. Answer in one or two sentences 1.Why is the uppermost layer of soil dark in colour? 2.Which type of soil would have; (a) lowest percolation rate of water (b) highest percolation rate of water. 3.Correct the following (a) A vertical section through different layers of soil is called horizon. (b) In the absence of plants,soil becomes more tight. (c) Percolation rate of water in soil is expressed in the unit of litre. 4. What lies beneath C-Horizon? 5. Arrange the following rock particles which occur in soil in the increasing order of their sizes; Sand,Clay,Gravel,Silt B.Define the following 1. Soil profile 2. Humus 3. Soil erosion 4. Percolation of water 5. Horizon C.Short Answer Type question 1. Explain why, the soil covered by vegetation is not eroded easily but the bare soil is eroded easily. 2. Explain why, if we pass through a farmland during a hot summer day, the air above the land appears to be shimmering. 3. Soil A has a high percolation rate of water whereas B has a low percolation rate of water. Which of the two soils, A or B, is most suitable for growing paddy? 4. Draw a diagram of soil profile and label it. 5. List the difference between clayey soil and sandy soil. D. Solve it g of a soil is taken and dried completely in bright sunshine. The mass of dried soil is found to be 175g. Calculate the percentage of water. 2. A student conducted an experiment to determine the percolation rate of water in a soil. He observed that it took 45 minutes for 180 ml of water to percolate through the soil. Calculate the percolation rate of water in soil. DIWALI HOLIDAY HOMEWORK CLASS VII 5

6 Q1. Answer the following: SCIENCE WORKSHEET When an ant stings a person, the solution A is rubbed on the stung area of the skin to get relief from pain. The substance A is also used in kitchen for cooking purposes. Another substance B is sour in taste and contains an organic acid C. It is used in making pickles. When a solution of A is mixed with B, then a change D takes place to produce bubbles of gas E. (a) What are substances A and B? (b) Name the acid C. (c) What type of change is D? (d) Name the gas E. Q2. Write word equation of the following: (i) Rusting of Iron. (ii) Immersing iron objects in copper sulphate solution. (iii) Dissolving magnesium oxide in water. (iv) Adding baking soda in lemon juice. (v) Passing carbon dioxide through lime water. Q3. Answer the following in brief: (i) Explain why, burning of paper and cutting of wood is considered as two different types changes. (ii) Name any one alloy of iron used in our daily life. Write the constituent metals and one characteristic of the alloy. (iii) Write any four difference between chemical and physical changes. (iv) Write and explain any four preventive measures of rusting of iron Q4. Name the type of change. Give reason for your answer. (i) Photosynthesis. (iii) Spoilage of food. (ii) Making salt solution. (iv) Breaking of glass tumbler. Q5. What happens when: (i) Magnesium oxide is dissolved in water? Name the type of change which takes place. (ii) Magnesium ribbon is heated for some time.? Name the type of change which takes place. Q6. Write chemical formula of the following compound: (i) Calcium hydroxide (iii) Sodium acetate (ii) Carbon dioxide (iv) Iron oxide. DIWALI HOLIDAY HOMEWORK CLASS VII 6

7 DELHI PUBLIC SCHOOL, GANDHIDHAM WORKSHEET OF MATHEMATICS CHAPTER 6: PROPERTIES OF TRIANGLES (WORKSHEET 1) NAME:. ROLL NO.... CLASS... SEC... Do as directed: 1. The three angles of a triangle are given. Classify the triangle as acute, obtuse or right-angled: a). 35, 55, 90 b). 30, 110, 40 c). 53, 85, 42 d). 60, 60, Measures of three sides of a triangle are given. Classify the triangle as equilateral, isosceles or scalene: a). 35 cm, 45 cm, 55 cm b). 7 cm, 4 cm, 7 cm c). 12 cm, 12 cm, 12 cm d). 4 cm, 6 cm, 9 cm: 3. The three angles of a triangle are given. Classify the triangle as equilateral, isosceles or scalene: a). 50, 20, 110 b). 60, 60, 60 c). 40, 90, 50 d). 25, 130, Two angles of a triangle are given. Find the third angle. Also state the property used. a). 35, 65 b). 45, 45 c). 18, 42 d). 30, In a triangle, the angles are in the ratio 1 : 2 : 3. Find the angles. What type of a triangle is it? 6. Find x, y and z in the following figure: 7. Can a triangle be constructed with sides of the following lengths? a). 10 cm, 8 cm, 15 cm b). 22 cm, 33 cm, 56 cm: 8. Two sides of a right-angled triangle are given. Find the third side a). a = 3 cm; b = 4 cm; c =? b).b = 35 cm; c = 37 cm; a =? a b c). a = 0.5 cm; c = 1.3 cm; b =? c 9. Find the length of the diagonal of a rectangle whose length and breadth are 8 cm and 6 cm respectively. 10. a). Can an obtuse angled triangle be right-angled? b). If a right-angled triangle is isosceles, find its equal angles. DIWALI HOLIDAY HOMEWORK CLASS VII 7

8 DELHI PUBLIC SCHOOL, GANDHIDHAM WORKSHEET OF MATHEMATICS CHAPTER 6: PROPERTIES OF TRIANGLES (WORKSHEET 2) NAME:. ROLL NO.... CLASS... SEC Choose the correct option. a. A right-angled triangle is also isosceles. Each of its equal angles is? i). 90 ii.) 45 iii). 60 iv). 30 b. A rectangle is divided along a diagonal. The two triangles formed are? i). equilateral and acute-angled ii). isosceles and acute-angled iii). scalene and right-angled iv). isosceles and right-angled c. A square is divided along a diagonal. The two triangles formed are? i). equilateral and acute-angled iii). scalene and right-angled ii). isosceles and acute-angled iv). isosceles and right-angled d. The angles of a triangle are in the ratio 1:1:4. The angles are? i). 10, 10, 40 ii). 20, 20, 80 iii). 30, 30, 120 iv). 30, 60, 90 e. An equilateral triangle is cut along the bisector of a vertex. The two triangles formed will have the angles of? i). 30, 60, 90 ii). 60, 60, 60 iii). 45, 45, 90 iv). 30, 30, Fill in the blanks. a. The prefix tri-means. b. A triangle in which no two sides are equal is called. c. In an equilateral triangle, all angles measure. d. The sum of the three angles of a triangle is. e. In an isosceles triangle, the angles opposite the equal sides are. f. In a right-angled triangle, the hypotenuse is the (longest/shortest) side. g. Complete the Pythagorean triple: 5,, Answer the following. a. Say whether triangles are possible with the following sides: i). 4 cm, 5 cm, 6 cm ii). 2 cm, 5 cm, 8 cm iii). 25 cm, 15 cm, 35 cm iv). 12 cm, 18 cm, 20 cm b. Say whether triangles are possible with the following angles: i). 30, 50, 90 ii). 35, 35, 110 iii). 10, 10, 160 iv). 65, 70, 75 c. The ratio of the sides of a triangle is 2:3:4. If the shortest side is 2.5 cm long, find the perimeter of the triangle. d. In an isosceles triangle, one angle is equal to 100. Find the other angles. DIWALI HOLIDAY HOMEWORK CLASS VII 8

9 e. Find the unknown angles in the given figures. i) Ii). Iii). f. A right-angled triangle has a hypotenuse of 17 cm and a side of 15 cm. Find the third side. g. A man travelled 24 km in a straight line from south to north and then 7 km from there to east also in a straight line. How far will he be from the starting point? h. A rectangular garden of length 8 m and breadth 6 m has a narrow path running along its diagonal. What is the length of the pathway? i. A vertical pillar of length 40 m on a bridge is supported by a slanting iron rod. One end of the rod is fastened to the tip of the pillar and the other end to the bridge at a distance of 30 m from the pillar. What is the length of the iron rod? Draw a diagram to represent this. ******* DIWALI HOLIDAY HOMEWORK CLASS VII 9

10 DELHI PUBLIC SCHOOL, GANDHIDHAM SUBJECT- MATHEMATICS CHAPTER 11: CONVERSION OF RATIONAL NUMBERS TO DECIMALS (WORKSHEET 3) NAME:. ROLL NO.... CLASS... SEC... Do as directed: 1. Express the following rational numbers as decimal numbers: a). 1 4 b). 3 5 c) d). 2. Express the following decimals in short form: a) = c) = e) = 9 32 e). 5 8 b) = d) = 3. Which of the following are terminating (T) and which are nonterminating (NT)? Find without actually dividing. a). 3 7 b) c) Express the following rational numbers as decimal numbers: a) b) c). 24 d). d) Express the following as rational numbers: e) e). 45 a) 0.04 b) c) d) e) Express the following as rational numbers: a). 0.1 b) 0.09 c) d) e) Find the value of the following as a rational number: a) b) c) d) DIWALI HOLIDAY HOMEWORK CLASS VII 10

11 SOCIAL STUDIES WORKSHEET CHAPTER :- ARCHITECTURE AS POWER-FORTS AND SACRED PLACES DIWALI HOLIDAY HOMEWORK CLASS VII 11

12 SOCIAL STUDIES WORKSHEET CHAPTER:- TOWNS,TRADES AND CRAFTS PEOPLE DIWALI HOLIDAY HOMEWORK CLASS VII 12