AQA GCSE COMBINED SCIENCE: SYNERGY 8465/3H Higher Tier Paper 3 Physical Sciences Version: 1.0 Final G/LM/Jun23/E6 8465/3H (JUN2384653H01) GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 3 Physical ScienceQUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( sc

GCSE COMBINED SCIENCE: SYNERGY 8465/3H Higher Tier Paper 3 Physical Sciences Version: 1.0 Final G/LM/Jun23/E6 8465/3H (JUN2384653H01) GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 3 Physical Sciences Friday 9 June 2023 Afternoon Time allowed: 1 hour 45 minutes Materials For this paper you must have: l a ruler l a protractor l a scientific calculator l the periodic table (enclosed) l the Physics Equations Sheet (enclosed). Instructions l Use black ink or black ball-point pen. Pencil should only be used for drawing. l Fill in the boxes at the top of this page. l Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages. l If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). l Do all rough work in this book. Cross through any work you do not want to be marked. l In all calculations, show clearly how you work out your answer. Information l The maximum mark for this paper is 100. l The marks for questions are shown in brackets. l You are expected to use a calculator where appropriate. l You are reminded of the need for good English and clear presentation in your answers. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname ________________________________________________________________________ Forename(s) ________________________________________________________________________ Candidate signature ________________________________________________________________________ I declare this is my own work. H 2 (02) G/Jun23/8465/3H Do not write outside the box 0 1 This question is about metals. Figure 1 represents the electronic structure of an atom. Figure 1 0 1 . 1 Identify the metal represented in Figure 1. Use the periodic table. [1 mark] ___________________________________________________________________________________ 0 1 . 2 How does the atom in Figure 1 form a positive ion? [1 mark] ___________________________________________________________________________________ 3 (03) G/Jun23/8465/3H Do not write outside the box Turn over U Copper is too soft for some uses. Copper can be mixed with other metals to make a mixture that is harder than copper. 0 1 . 3 Name the type of mixture formed when copper is mixed with other metals. [1 mark] ___________________________________________________________________________________ 0 1 . 4 Figure 2 shows the percentage (%) by mass of three metals in a mixture. Figure 2 0 20 40 60 10 30 50 Metal Percentage (%) by mass of metal in mixture Copper Zinc Tin Determine the mass of copper in 20 g of the mixture. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Mass of copper = ______________________ g Question 1 continues on the next page 4 (04) G/Jun23/8465/3H Do not write outside the box Figure 3 represents pure copper and a mixture of copper and metal X. Figure 3 Pure copper Copper atom Atom of metal X Mixture of copper and metal X 0 1 . 5 Explain why the mixture of copper and metal X is harder than pure copper. [3 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 5 (05) G/Jun23/8465/3H Do not write outside the box Turn over U 0 1 . 6 Give two reasons why copper has a high melting point. [2 marks] 1 ________________________________________________________________________________ __________________________________________________________________________________ 2 ________________________________________________________________________________ __________________________________________________________________________________ 0 1 . 7 Why is copper a good conductor of electricity? [1 mark] ___________________________________________________________________________________ ___________________________________________________________________________________ ____ 12 Turn over for the next question 6 (06) G/Jun23/8465/3H Do not write outside the box 0 2 Figure 4 shows part of a roller coaster ride in a theme park. The roller coaster carriages move along the track from position A to position C. Figure 4 Carriages Track A B C Use the Physics Equations Sheet to answer Questions 02.1 and 02.2. 0 2 . 1 Which equation links kinetic energy (Ek), mass (m) and speed (v)? [1 mark] Tick () one box. Ek = mv2 Ek = 1 2 mv Ek = 1 2 mv