Foundation and Higher tier available knowledge from topics 1-4) Time allowed: 1 hour 45 minutes Marks: 90 marks Weighting: 50% of GCSE Foundation and Higher tier available Question types: Multiple choice, structured, Marks: 100 marks closed short answer and open response, 2 x Weighting: 50% of GCSE 6 mark Level of response questions Question types: Multiple choice, structured, closed short answer and open response. Using the AQA textbook Below you will find all the information you need to start teaching OCR GCSE (9-1) Twenty First Century Chemistry B while still using the new AQA textbooks. We have mapped our specification to the AQA OUP, Hodder and Collins textbooks to save you having to buy another set of textbooks. We have endorsed textbooks for use with our specification, however. Details are on the subject page on the OCR website. AQA OUP textbook mapping Specification statement Chapter covering Page Comments specification number statement Chapter C1 Air and water C1.1 How has the Earth's atmosphere changed over time, and why? C1.1.1 recall and explain the main features C3 Structure and 36-37 of the particle model in terms of the states bonding of matter and change of state, distinguishing between physical and chemical changes and recognise that the particles themselves do not have the same properties as the bulk substances C1.1.2 explain the limitations of the C3 Structure and 37 particle model in relation to changes of bonding state when particles are represented by inelastic spheres C1.1.3 use ideas about energy transfers C3 Structure and 37 and the relative strength of forces between bonding particles to explain the different temperatures at which changes of state occur C1.1.4 use data to predict states of C3 Structure and 60 Appears in substances under given conditions bonding Summary Questions C1.1.5 interpret evidence for how it is C13 The Earth's 194-195 thought the atmosphere was originally atmosphere formed C1.1.6 describe how it is thought an C13 The Earth's 194 oxygen-rich atmosphere developed over atmosphere time
Foundation and Higher tier available Marks: 90 marks Weighting: 50% of GCSE Question types: Multiple choice, structured, closed short answer and open response, 2 x 6 mark Level of response questions knowledge from topics 1-4) Time allowed: 1 hour 45 minutes Foundation and Higher tier available Marks: 100 marks Weighting: 50% of GCSE Question types: Multiple choice, structured, closed short answer and open response. Using the AQA textbook Below you will find all the information you need to start teaching OCR GCSE (9-1) Twenty First Century Chemistry B while still using the new AQA textbooks. We have mapped our specification to the AQA OUP, Hodder and Collins textbooks to save you having to buy another set of textbooks. We have endorsed textbooks for use with our specification, however. Details are on the subject page on the OCR website. AQA OUP textbook mapping Specification statement Chapter covering specification statement Page number Comments Chapter C1 Air and water C1.1 How has the Earth's atmosphere changed over time, and why? C1.1.1 recall and explain the main features of the particle model in terms of the states of matter and change of state, distinguishing between physical and chemical changes and recognise that the particles themselves do not have the same properties as the bulk substances C3 Structure and bonding 36-37 C1.1.2 explain the limitations of the particle model in relation to changes of state when particles are represented by inelastic spheres C3 Structure and bonding 37 C1.1.3 use ideas about energy transfers and the relative strength of forces between particles to explain the different temperatures at which changes of state occur C3 Structure and bonding 37 C1.1.4 use data to predict states of substances under given conditions C3 Structure and bonding 60 Appears in Summary Questions C1.1.5 interpret evidence for how it is thought the atmosphere was originally formed C13 The Earth's atmosphere 194-195 C1.1.6 describe how it is thought an oxygen-rich atmosphere developed over time C13 The Earth's atmosphere 194