Daratassalam International, Delhi Public School Riyadh

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Page 1 of 6 مدارس دارۃ السالم العالمية- الرياض Daratassalam International, Delhi Public School Riyadh Summer Holiday Homework (2018) Grade: IX (IGCSE) SUBJECT: ENGLISH 0510 1.

Write a newspaper article for the local newspaper based on your visit to a nearby forest. Word limit 250-300. 3.

1 Page 1 of 6 مدارس دارۃ السالم العالمية- الرياض Daratassalam International, Delhi Public School Riyadh Summer Holiday Homework (2018) Grade: IX (IGCSE) SUBJECT: ENGLISH Describe a famous person EXAMPLE: An athlete or a singer that you admire. Focus on both their appearance and personal traits. Word limit You are A journalist. Write a newspaper article for the local newspaper based on your visit to a nearby forest. Word limit WRITE A LETTER TO THE MUNICIPAL COUNCIL DIRECTOR TO TAKE A SEVERE ACTION AGAINST THE SPREADING THREAT OF MALARIA IN YOUR HOME TOWN. 4. ANSWER THE PAPERS OF ENGLISH 0510/2 OF YEARS SUBJECT: BIOLOGY DRAW THE FIGURES OF VARIOUS TYPES OF CELLS PRESENT IN HUMAN BODY. DRAW A MIND MAP TO SHOW CELL COMPONENTS, CELL ORGANELLES-ITS DISCOVERIES AND THEIR FUNCTIONS. 2. Draw the nucleus of the cell and write a short note for the following A) Double layered structure which encloses the nucleus B) Visible entangled mass of thread like structure C) A darkly stained round structure inside the nucleus 3. Differentiate the following terms A) Cytoplasm and nucleoplasm B) Plant cell and animal cell C) Prokaryotic and eukaryotic cell 4. ANSWER THE PAPERS OF BIOLOGY 0610/4 OF YEARS FOR THE TOPICS TAUGHT IN THE CLASS. SUBJECT: CHEMISTRY Why do we call sugar a pure substance? 2. Define a solution AND BINARY SOLUTIONS. 3. Define concentration of a solution. 4. What is Tyndall effect? 5. What is the difference between True solution and colloids? 6. What are alloys? Why are alloys called as mixture? 7. What is solubility? 8. Give properties of a true solution. 9. Why do we need to separate mixtures? 10. How can we separate cream from milk? 11. Write the applications of centrifugation. 12. How can we separate a mixture of salt and ammonium chloride? Draw a diagram. 13. What is chromatography? Explain the process. 14. How can you separate copper sulphate from an impure sample? 15. What types of mixture are separated by fractional distillation process? Draw a diagram. 16. Draw a diagram to explain the process of separating acetone and water.

2 17. Explain with the diagram the method of separating kerosene oil from water by using a separating funnel. 18. EXPLAIN THE BOND FORMATION IN THE FOLLOWING: AMMONIA, WATER, OXYGEN MOLECULE, NITROGEN MOLECULE, ETHANOL WITH THE HELP OF ELECTRON DISTRIBUTION DIAGRAM. 19. HOW IONIC CRYTALS ARE EXISTING? DRAW A DIAGRAM. 20. ANSWER THE PAPERS OF CHEMISTRY 0620/4 OF YEARS FOR THE TOPICS TAUGHT IN THE CLASS. SUBJECT: MATHEMATICS If A is divided by B the result is 2/3. If B is divided by C the result is 4/7. What is the result if A is divided by C? 2. Over the course of numbering every page in a book, a mechanical stamp printed 2,929 individual digits. How many pages does the book have? 3. What is the smallest number divisible by 1, 2, 3, 4, 5, 6, 7, 8 and 9? 4. This problem is about dividing with a remainder. As an example of this, when 29 is divided by 6 the answer is 4 and the remainder is 5. When a whole number x is divided by 5, the answer is y and the remainder is 4. When x is divided by 4, the answer is v and the remainder is 1. Can you write an equation expressing y in terms v? 5. Explain why the 1st of March is always on the same day of the week as the 1st of November Make a deduction about the day of the week that 31st May falls on compared to the 1st August. 6. A ball is dropped and bounces up to a height that is 75% of the height from which it was dropped. It then bounces again to a height that is 75% of the previous height and so on. How many bounces does it make before it bounces up to less than 20% of the original height from which it was dropped? 7. You have eight coins that all look identical but only one is solid gold. The solid gold coin weighs slightly more than the fakes. You can use the balance only twice. How can you work out which is the real gold coin? 8. Sixteen pipes, each with a diameter of 10cm, are fastened tightly together with a metal band. How long is the band? 9. Choose any three consecutive numbers. Multiply the first number by the third number. Square the second number. What do you notice? Is this true for any three consecutive numbers? Can you prove why this is true? ANSWER THE PAPERS OF MATHEMATICS 0580/2&4 OF YEARS FOR THE TOPICS TAUGHT IN THE CLASS. SUBJECT: PHYSICS 0625 Problem 1. A train covers 60 miles between 2 p.m. and 4 p.m. How fast was it going at 3 p.m.? Problem 2. Is it possible that the car could have accelerated to 55mph within 268 meters if the car can only accelerate from 0 to 60 mph in 15 seconds? Problem 3. A car travels up a hill at a constant speed of 37 km/h and returns down the hill at a constant speed of 66 km/h. Calculate the average speed for the whole trip. Page 2 of 6

3 Problem 4. We drive a distance of 1 km at 16 km/h. Then we drive an additional distance of 1 km at 32 km/h. What is our average speed? Problem 5. An airliner reaches its takeoff speed of 163 mph in 36.2 s. What is the magnitude of its average acceleration. Problem 6. If an object weighs 30 N on Earth, how much would it weigh on the moon? Problem 7. You are driving along an empty straight road at a constant speed u. At some point you notice a tall wall at a distance D in front of you. Would it require a larger force to (a) continue moving straight and decelerate to a full stop before the wall, or (b) turn left or right to avoid the wall? (to make the calculation easier assume that the turn is done at a constant speed along a circular path). ANSWER THE PAPERS OF PHYSICS 0625/4 OF YEARS FOR THE TOPICS TAUGHT IN THE CLASS. Languages: Arabic FL (0544) A supportive document can be had from the teachers on request. Send a request for the same to the coordinator. ANSWER THE QUESTIONS IN 0544, 0520, 3248 OF YEARS SUBJECT: Computer Science a. State what is meant by the following terms: i. Parallel Data Transmission ii. Serial Data Transmission b. Give one benefit of each type of data transmission. i. Parallel Data Transmission ii. Serial Data Transmission C. Give one application of each type of data transmission. i. Parallel Data Transmission ii. Serial Data Transmission 2. Discuss the uses of hexadecimal number system. 3. Convert the following numbers as required i. 2 A A 16 =? 2 ii. D A =? 10 iii =? 16 iv =? 2 4. Define the following terms. i. Asynchronous Data transmission. ii. Parity checking method iii. Truth Table iv. Automatic Repeat Request v. Top-down design vi. Flowcharts vii. Abnormal Test data viii. Validation 5. Complete the truth table for the following logic circuit: Page 3 of 6

4 SUBJECT: FRENCH SL (0520) I- Tu aimes la cuisine étrangère? Explique. II- Pour parler de la cuisine de ton pays, mentionne les caractéristiques typiques. III- Ecris entre 80 et 90 mots en français sur les matières que tu fais et donne ton opinion. Si tu veux; tu peux utiliser ces phrases: ce que j'aime le plus /le moins, c'est../j'ai choisi./j'ai laissé tomber IV- D'après-vous quel est le prof idéal? V- Tu as cinq minutes pour decrire ton collège. Ecris le maximum de phrases. VI- Ecris un paragraphe sur ton uniforme. Dis aussi si tu es d'accord avec le port d'un uniforme ou non. Qu'est-ce que tu aimeras porter? Pourquoi? VII- Quel est le rôle d'un délégué de classe. VIII- Ecris 80 a 90 mots sur tes passe-temps. Essaie d'utiliser la construction en+participe présent. IX- Décide quelles sont les trois raisons les plus importants pour faire du sport selon toi. X- Tu es une personne célèbre. Prépare des notes pour répondre à ces questions. a- Qu'est-ce que tu aimes boire et manger? b- Quel est ton plat préféré? c- Tu peux le décrire: d- Tu en manges souvent. Page 4 of 6

5 SUBJECT: URDU SL 3248 Page 5 of 6

6 Page 6 of 6

Invitation to a Family Reunion

1 Invitation to a Family Reunion Jacques: Bonjour! Ça va Marie? Hi! How are you, Marie? Marie: Bonjour, Jacques! Ça va très bien, merci. Hi, Jacques, Very well, thank you. Jacques: Qu est ce que tu fais