Admiralty-Secondary-Prelim-2021-Science-Physics-With-Answers

NAIME: NO: CLASS: ADMIRALry SECONDARY SCHOOL A n PRELIMINARY EXAMINATION 2021 SUBJECT CODE/PAPER LEVEUSTREAM DATE TIME DURATION Science (Physics, Chemistry) 5076/1 Secondary 4 Express / Secondary 5 Normal (Academic) 30 August 2021 1120h - 1220h t hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class and register number on the Optical Answer Sheet provided unless this has been done for you. There are forty 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 Optical Answer Sheet. Fill in the Optical 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 question paper. A copy of the Data Sheet is printed on page 17. A copy of the Periodic Table is printed on page 18. The use of an approved scientific calculator is expected, where appropriate. 40 DO NOT TURN OVER THIS PAPER UNTIL YOU ARE TOLD TO OO SO. This question paper consists of l8 printed pages including this cover page. PartnerlnLeaming 3

2 1 A plumber measures, as accurately as possible, the length and internal diameter of a straight copper pipe. The length is approximately 80 cm and the internal diameter is approximately 2 cm. What is the best combination of instruments for the plumber to use? internal diameter length A B c D rule rule vernier calipers vernier calipers rule tape rule tape 2 The graph shows how the distance of an object changes with time. distance 0 2 4 6 I 10 12 time/s Between which two times is the object moving with a non-zero constant speed? A between0sand2s B between2sand4s G between4sandSs D between 8 s and 12 s PartnerlnLeaming 4 0 I

3 3 The same downward force is applied to four objects resting on a horizontal surface Which exerts the greatest pressure on the surface? draw,ng pin table fork stiletto heel A 4 The weight of a stone is found using a newton meter, and its mass is found using a pan balance. stone slone newton meter pan balance The experiment is carried out on the Earth and on the Moon. For each meter, is its reading the same or different on the Earth and on the Moon? reading on newton meter reading on pan balance A B c D different different same same different same different same PartnerlnLeaming 5 cB I car wheel D &A I

4 5 The diagram shows a lorry. What is the best position for its centre of mass and why is it placed there? 6 A machine does 6.0 kJ of useful work in 20 minutes. How much useful power does it produce? B 5.OW c 120w D 3OOW 7 What is the property common to both solids and liquids? A They always fill a container. B They can flow. C They have a fixed shape. D They have a fixed volume. PartnerlnLeaming 6 L I I ( best position reason for the position A B c D as high as possible as high as possible as low as possible as