YSS 2024 4E Phy Prelim P3 with MS

[Turn over YISHUN SECONDARY SCHOOL PRELIMINARY EXAMINATION 2024 SECONDARY 4 EXPRESS CANDIDATE NAME CLASS INDEX NUMBER PHYSICS 6091/03 Paper 3 Practical Test 5 August 2024 1 hour 50 minutes Candidates answer on the Question Paper. Additional Materials: As listed in the Confidential Instructions READ THESE INSTRUCTIONS FIRST Write your name, class and index number on the work you hand in. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Answer all questions. All of your answers should be written in this Question Paper: scrap paper must not be used. Graph paper is provided in this Question Paper. Additional sheets of graph paper should be used only if it is necessary to do so. You will be allowed to work with the apparatus for a maximum of 55 minutes for each section. You are expected to record all your observations as soon as they are made. An account of the method of carrying out the experiments is not required. The use of an approved scientific calculator is expected, where appropriate. At the end of examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. This document consists of 12 printed pages and 1 blank page. For Examiner’s Use Q1 Q2 Q3 Total

2 Section A 1 In this experiment, you will determine a value of the specific heat capacity and heat capacity of a piece of metal. You are provided with ● a piece of metal tied with a loop of wire, ● a Bunsen burner with tripod and wire gauze, ● a beaker labelled A filled with water. ● an empty beaker labelled B, ● a laboratory thermometer, ● a glass rod, ● a polystyrene cup, ● a lighter, ● a stopwatch, ● supply of hot water. (a) (i) Record the mass, m, inscribed on the piece of metal with a loop of wire attached. Leave your answer in SI unit. m = ………………………… (ii) Measure and record the temperature ϴw of the water in beaker A. ϴw = ………………………… [1] (b) You are to set up the apparatus as shown in Fig. 1.1. Fig. 1.1 ● Place beaker B on the wire gauze and tripod. ● Place the piece of metal in beaker B. The loop of the wire tied to the piece of metal should be hanging out of the water. ● Collect a cup of hot water from the teacher’s bench using the polystyrene cup. ● Pour sufficient hot water into beaker B so that it covers the piece of metal. The piece of metal can be lying on its side. Avoid pouring too much water. XXXXXXXXXXXXXXXXXXXX beaker B metal tied with a wire tripod with wire gauze Bunsen burner

3 [Turn over (i) Light the Bunsen burner. After heating for about 3 minutes, switch off the Bunsen burner and wait for about 30 s. Use the thermometer to record the temperatur