Common misunderstandings and misconceptions ◆
As mentioned above, students frequently confuse experimental error and human mistakes. The distinction will need reinforcing here, and again each time they discuss the results of their experiments in the future. ◆ Some students may think that a longer time (giving a larger number in their results table) represents a higher rate of reaction. Homework ideas ◆ ◆ ◆ ◆ ◆ ◆
Coursebook questions 5.7 to 5.9 Workbook exercise 5.1 Writing enzyme questions Workbook exercise 5.2 Lipase experiment Workbook exercise 5.3 Finding the optimum pH for amylase Workbook exercise 5.4 How enzymes work Worksheet 5.2 Catalase
Original material © Cambridge University Press 2014 © Cambridge University Press 2014
IGCSE Biology
Chapter 5: Teaching ideas
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