Science A, Combined (9-1) - Gateway Science Suite J250 9-1: P6: Global challenges Topical Past Paper Questions
OCR GCSE (9-1) Science A, Combined (9-1) - Gateway Science Suite J250 (9-1) past-paper questions on P6: Global challenges, free. This topic is regularly examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about how electricity is generated. (a) A student writes down advantages and disadvantages of wind turbines. The student has made one mistake. State the letter of the statement that is in the wrong place. Letter = ..... [1] (b) The student writes down a list of r…
The speed of sound is greater than the speed of a person walking. Estimate how many times greater. A $ 10^{2} $ B $ 10^{4} $ C $ 10^{6} $ D $ 10^{8} $
A turbine contains a rotating blade. Fig. 15.1 is a diagram of a wind turbine and Fig. 15.2 is a diagram of a water (tidal) turbine. Fig. 15.1 Fig. 15.2 A volume of air (wind) or water (tidal) flows through the turbine every second. Some of the kinetic energy of the air or water…
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