2023 AQA GCSE COMBINED SCIENCE: SYNERGY 8465/1F Foundation Tier Paper 1 Life and Environmental Sciences Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA GCSE COMBINED SCIENCE: SYNERGY 8465/1F Foundation Tier Paper 1 Life and Environmental Sciences Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE COMBINED SCIENCE: SYNERGY F Foundation TierPaper 1 Life and Environmental Sciences Tuesday 16 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: a ruler a protractor a scientific calculator the periodic table (enclosed) the Physics Equations Sheet (enclosed). Instructions Use black ink or black ball-point pen. Pencil should only be used for drawing. Fill in the boxes at the top of this page. Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages. 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). Do all rough work in this book. Cross through any work you do not want to be marked. In all calculations, show clearly how you work out your answer. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Information The maximum mark for this paper is 100. The marks for questions are shown in brackets. You are expected to use a calculator where appropriate. You are reminded of the need for good English and clear presentation in your answers. (JUN2384651F01) 8465/1F G/LM/Jun23/E7 2 0 1Figure 1 shows part of the water cycle. Figure 1 C Cloud Water vapour A B Ocean 0 1 . 1 Name processes A, B and C. Choose answers from the box. [3 marks] absorption condensation evaporation precipitation transpiration A _________________________________________________________ B _________________________________________________________ C _________________________________________________________ Do not write outside the box (02) G/Jun23/8465/1F 3 0 1 . 2 Drinking water can be produced from sea water. Which process is used to produce drinking water from sea water? [1 mark] Tick ( ) one box. Desalination Digestion Screening 0 1 . 3Why is producing drinking water from sea water expensive? [1 mark] Tick ( ) one box. The process requires energy. The sea water must be filtered. The sea water temperature is too high. Question 1 continues on the next page Turn over U (03) G/Jun23/8465/1F Do not write outside the box 4 0 1 . 4 Which two processes are used to kill bacteria during the production of drinking water? [2 marks] Tick ( ) two boxes. Adding chlorine Exposure to ultraviolet light Freezing Grit removal Sedimentation 0 1 . 5 Why is it important to kill bacteria in water during the production of drinking water? [1 mark] _ __________________________________________________________________________________ _ _________________