Teacher’s feedback T correct answer = 2 marks allow 1 mark for: allow 1 mark for correct calculation without removal of anomalous result ie 15 2 (ii) graph: Teacher’s feedback Q1. I am satisfied with the corrections you have made (a) LHS = water 1 I am not satisfied with the corrections you have made. You must RHS = glucose see me to discuss this work further. 1 Date: (b) any three from: allow ecf from (c)(i) (measure) temperature • ignore reference to fair test label on y-axis of bubbles per as ‘number to check that the temperature • isn’t changing minute’ rate of reaction changes with temperature • 1 temperature is a variable that needs to be • controlled three points correct = 1 mark allow lamp gives out heat allow ± 1 mm 3 four points correct = 2 marks (c) (i) 10
Teacher’s feedback T Teacher’s feedback I am satisfied with the corrections you have made I am not satisfied with the corrections you have made. You must see me to discuss this work further. Date: Q1. (a) LHS = water 1 RHS = glucose 1 (b) any three from: • (measure) temperature ignore reference to fair test • to check that the temperature isn’t changing • rate of reaction changes with temperature • temperature is a variable that needs to be controlled allow lamp gives out heat 3 (c) (i) 10 correct answer = 2 marks allow 1 mark for: allow 1 mark for correct calculation without removal of anomalous result ie 15 2 (ii) graph: allow ecf from (c)(i) label on y-axis as ‘number of bubbles per minute’ 1 three points correct = 1 mark allow ± 1 mm four points correct = 2 marks
practical-6-photosynthesis.docx