YHSS 4NA PRELIM SciPhy 2022 Paper 1

YUHUA SECONDARY SCHOOL PRELIMINARY EXAMINATION 2022 SECONDARY FOUR NORMAL (ACADEMIC) CANDIDATE NAME CLASS INDEX NUMBER SCIENCE (PHYSICS) 5105 / 01 Paper 1 Multiple Choice 17 August 2022 Papers 1 and 2: 1 hour 15 minutes Additional Materials : Multiple Choice Answer Sheet Setter: Mr Kenny Low READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your Name, Class and Class Index Number on the Answer Sheet in the spaces provided unless this has been done for you Read the instructions on the Answer Sheet very carefully There are twenty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Answers to Paper 1 and Paper 2 must be handed in separately. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. You are advised to spend no longer than 30 minutes on Paper 1. You may proceed to answer Paper 2 as soon as you have completed Paper 1. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. This document consists of 9 printed pages, inclusive of this page. [Turn over

2 YHSS/PRELIM/2022 Sec 4 Normal (A) Science Physics (Paper 1) 1 What do all physical quantities consist of? numerical magnitude direction A ✓ ✓ B ✓ × C × ✓ D × × 2 The following are distance-time graphs. Which graph shows an object that is stationary? 3 Which of the following defines acceleration? A 𝑐ℎ𝑎𝑛𝑔𝑒 𝑖𝑛 𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒 𝑡𝑖𝑚𝑒 𝑡𝑎𝑘𝑒𝑛 B 𝑐ℎ𝑎𝑛𝑔𝑒 𝑖𝑛 𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒 𝑖𝑛 𝑎 𝑓𝑖𝑥𝑒𝑑 𝑑𝑖𝑟𝑒𝑐𝑡𝑖𝑜𝑛 𝑡𝑖𝑚𝑒 𝑡𝑎𝑘𝑒𝑛 C 𝑐ℎ𝑎𝑛𝑔𝑒 𝑖𝑛 𝑠𝑝𝑒𝑒𝑑 𝑡𝑖𝑚𝑒 𝑡𝑎𝑘𝑒𝑛 D 𝑐ℎ𝑎𝑛𝑔𝑒 𝑖𝑛 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 𝑡𝑖𝑚𝑒 𝑡𝑎𝑘𝑒𝑛

3 YHSS/PRELIM/2022 Sec 4 Normal (A) Science Physics (Paper 1) [Turn Over 4 A balloon is filled with air and is then heated. What happens to the volume and the density of the air in the balloon as it is heated? volume of air density of air A decreases decreases B decreases increases C increases decreases D increases increases 5 The inertia of a body is its resistance to changes in motion. Which property is a measure of the body’s inertia? A its density B its mass C its volume D its weight 6 A bottle is just able to rest on the sloping surface without falling over. Where is its centre of gravity?

4 YHSS/PRELIM/2022 Sec 4 Normal (A) Science Physics (Paper 1) 7 A construction worker is preparing a concrete slab to be laid as part of a pavement. The concrete slab has dimensions of 2.0 m x 0.8 m x 0.03 m. On which labelled surface should the worker lay it on the ground so