Edexcel GCSE Combined Science core practicals
The core practicals you can be asked about in the exam, each with its method, variables, safety points and expected results. Questions on practicals are worth at least 15% of the marks.
2the effect of pH on enzyme activityKey concepts in biology · Enzyme action and activity · spec 1.10 Read
4light intensity and photosynthesisPlant structures and their functions · Photosynthesis and limiting factors · spec 6.5 Read