Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: BCP8: Practical Skills Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on BCP8: Practical Skills, free. This topic is regularly examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Some students are investigating photosynthesis. (a) They measure the volume of gas produced by pondweed every 60 seconds. Fig. 7.1 shows their results. Fig. 7.1 Mean volume of gas produced ( $ cm^{3} $) (i) Calculate the rate of reaction. Rate of reaction = $ \frac{1}{2} $ cm $ ^…
Some students are studying the pupil reflex. The amount of light entering the eye is controlled by this reflex. The size of the pupil changes in response to light conditions. When it is dark, the pupil gets bigger, and when it's light, the pupil gets smaller. The diagram shows th…
(a) Amaya is investigating the effect of light intensity on the rate of photosynthesis in pondweed. She uses the equipment in Fig. 8.1. Fig. 8.1 (i) Identify two control variables that are needed to ensure Amaya collects valid data. 1 ..... 2 ..... [21] (ii) Describe how to chang…
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