Lexicon International School Class VII Science Sample Paper 2024-2025 PDF

TLISW/2024-25/SQA/Cl-VII /Science Sample QP THE LEXICON INTERNATIONAL SCHOOL, WAGHOLI SECOND QUARTERLY ASSESSMENTS SAMPLE PAPER (2024-25) SCIENCE Class: VII Ma...

TLISW/2024-25/SQA/Cl-VII /Science Sample QP THE LEXICON INTERNATIONAL SCHOOL, WAGHOLI SECOND QUARTERLY ASSESSMENTS SAMPLE PAPER (2024-25) SCIENCE Class: VII Marks: 50 Roll No.___________ Time: 2 hours ___________________________________________________________________________________ GENERAL INSTRUCTIONS 1. This question paper has 5 sections: Section A, Section B, Section C, Section D, and Section E. 2. There are in all 25 questions. All questions are compulsory. However, there are internal options for questions 3, 7,16, 23 and 25. 3. Section A (Questions 1-10) contains very short answer-type questions and they are for 1 mark each. 4. Section B (Questions 11-12) has four case-based questions of 4 marks each. Attempt any 4 sub- parts from each question. Each question carries 1 mark. 5. Section C (Questions 13-15) contains Multiple choice questions/Assertion-Reason Type questions of 1 mark each. 6. Section D (Questions 16-17) higher-order thinking/application based/ source-based questions/ diagram-based questions of 2 marks each. 7. Section E (Questions 18-25) contains short and long answer questions of 2, 3 and 5 marks. 8. Wherever necessary, neat and properly labeled diagrams should be drawn. Section A Question Marks No. 10 Question 1 to 10 carries 1 mark each. Number of seconds in 4hrs are ________. 1. 1 a) 240 b) 24 c) 360 d) 600 Mirror has _____ opaque surface. 2. a) one b) two c) zero d) infinite 1 What are insulators? OR 3. 1 Pure water is bad conductor of electricity. Give reason. Define Spectrum of light. 4. 1 5. What effect of current causes the bulb to glow? 1 Which of the following mirrors are used in a periscope? 6. 1 a) Concave b) plane c) convex d) sphericals Converging mirror is also known as_______. a) Concave mirror b) convex mirror c) plane mirror d) concave lens 7. 1 OR The light travels with speed of________. Page 1 of 4  TLISW/2024-25/SQA/Cl-VII /Science Sample QP Define motion. 8. 1 9. Shape of distance time graph for uniform motion is always ____________. 1 10. What is fuse? 1 Section B MARKS Case study-based questions are compulsory. Attempt any 4 sub-parts from 8 each question. Each question carries 1 mark. Sonal’s mother kept tea pan on gas and forgot to put it off , after sometime when Sonal visited kitchen she noticed it and immediately put off gas burner. 11. She noticed that due to overheating pan has become red hot. She was curious about it. How does heat travel in solid? 11(i) 1 Write two devices which work on heating effect of electric current. 11(ii) 1 Why pan became red hot? 11(iii) 1 The units to measure current is ____________. 11(iv) 1 What values was shown by Sonal? 11(v) 1 Rohan visited science park with his friends and was amused to see many 12. wonderful structures and experiments. He liked mirror room in park and were very excited to visit it again. 12(i) Define reflection? 1 Draw a diagram of convex mirror. 12(ii) 1 When two mirrors are kept parallel to each other , no of images formed 12(iii) are__. 1 12(iv) What do you mean by dispersion of light? 1 12(v) What values was shown by Rohan? 1 Section C MARKS Question numbers 13 to 15 are Multiple Choice Questions. Choose the most 3 appropriate answer from the given options Directions (Q. No. 13and 14) In the following questions a statement of Assertion is followed by a statement of Reason. Mark the correct choice as: (a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. (b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (c) If Assertion is true but Reason is false. (d) If Reason is true but Assertion is false. (e) If both Assertion and Reason are false. Page 2 of 4  TLISW/2024-25/SQA/Cl-VII /Science Sample QP Assertion: The time taken to complete one oscillation is called the time period of the pendulum 13. 1 Reason: For a pendulum of a particular length, the time period is not constant Assertion: Convex mirror is used as a rear view mirror in vehicles. 14. Reason: The nature of the image formed by a convex mirror is virtual and 1 diminished in size. The filament of an electric blub is made up of a) light b) wires 15. c) Brine d) tungsten 1 Section D MARKS Question numbers 16 -17 are higher-order thinking/application based/ 4 source-based questions/ diagram-based questions of 2 marks each. Define uniform and non-uniform motion and give an example of each OR 16. 2 How much time will a car take to cover a distance of 300km, if the speed of the car is 50km/h? What is the purpose of installing an MCB in a circuit? 17. 2 Section E MARKS 6 Question numbers 18 to 20 are short -type questions of 2 marks each. 18. What is dispersion of light. 2 19. State the factors affecting the heat generated in a current carrying wire? 2 What is the significance of the slope of a straight line graph? 20. 2 MARKS Question numbers 21 to 23 are long answer- type questions of 3 marks 9 each. What is a simple pendulum? How can you determine the time period of a 21. simple pendulum? 3 Explain the terms amplitude and time period. 22. 3 a. Draw the graph for the motion of the student going to school on a crowded 23. road 3 Page 3 of 4  TLISW/2024-25/SQA/Cl-VII /Science Sample QP OR b. A bus travels 20km in 15 min. Express the speed in km/h and m/s MARKS Question numbers 24 and 25 are long answer-type questions of 5 marks 10 each. Give reasons for the following: a) Speed of a moving object can never be zero. 24. b) Filament blubs are not power efficient. 5 c) The word AMBULANCE is written backwards on an ambulance. d) Steel cannot be used in electromagnets. e) Concave mirror is used as a shaving. a. With the help of a ray diagram explain the concept of converging and diverging mirror. 25. 5 OR b. Explain the working of an electric bell with the neat labelled diagram. -----------------X-X-X------------------- Page 4 of 4