Sec_4_Science_Physics_SA2_2018_Pasir_Ris

Name Class Register Number SECONDARY 4 EXPRESS / 5 NORMAL ACADEMIC PRELIMINARY EXAMINATION 2018 SCIENCE (PHYSICS, CHEMISTRY) PAPER 1 Multiple Choice Wednesday 0800 – 0900 5076/01 12 September 2018 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid or tape. Write your name, class and register number on the Answer Sheet in the spaces provided and at the top of this pa ge. There are forty questions in this section. Answer all questions. For each quest ion 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. Read the inst ructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. A copy of the Data Sheet is printed on page 18. A copy of the Periodic Table is printed on page 19. The use of an approved scientific calculator is expected, where appropriate. This document consists of 19 printed pages including the cover page. [Turn over Pasir Ris Secondary School www.KiasuExamPaper.com 223

PRSS_2018_S4E5N_PRELIM_SCI_5076_P12 1 The diagram shows a vernier scale. What is the reading on the vernier scale? A 6.50 cm B 6.55 cm C 7.00 cm D 7.05 cm 2 A moon rover of mass 15 kg on the Earth is taken to the Moon to c ollect data. The gravitational field strength on the Earth is 10 N/kg and on the Moon is 1.6 N/kg. What are the mass and weight of the moon rover on the Moon? mass / kg weight / N A 15 24 B 15 150 C 24 15 D 24 150 3 Three objects are cut from the same sheet of metal. They are di fferent in shapes but they all have the same mass. Which object has the greatest density? A the hexagon B the trapezoid C the triangle D all have the same density trapezoid trianglehexagon www.KiasuExamPaper.com 224

PRSS_2018_S4E5N_PRELIM_SCI_5076_P13 4 A measuring cylinder has a mass of 120 g when empty. When 50 cm 3 of liquid is added, the total mass of the liquid and the measuring cylinder is 160 g. What is the density of the liquid? A 0.80 g/cm3 B 1.25 g/cm3 C 2.40 g/cm3 D 3.20 g/cm3 5 A hydraulic system is used to lift a load of 80 N. When piston X is pushed down, pressure is applied on the liquid. The same pre ssure is applied throughout the entire liquid. What is the minimum downward force that needs to be applied at piston X to lift the 80 N load on piston Y? A 1 N B 4 N C 80 N D 1600 N 6 Visible light and radio waves are different types of waves. How m ay these waves be correctly described? visible light radio waves A longitudinal longitudinal B longitudinal transverse C transverse longitudinal D transverse transverse 7 Which electromagnetic wave travels at the highest speed through a vacuum? A gamma rays B microwaves C ultraviolet rays D All electromagnetic waves travel at the same speed th