Science A, Combined (9-1) - Gateway Science Suite J250 9-1: P5: Energy Topical Past Paper Questions
OCR GCSE (9-1) Science A, Combined (9-1) - Gateway Science Suite J250 (9-1) past-paper questions on P5: Energy, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about transformers. (a) Complete the sentences to describe how transformers are used in the national grid. Put a $ \underline{\text{ring}} $ around each correct option. A step-up / step-down transformer increases current / potential difference at the power statio…
The graph shows how demand for electricity changes during a typical day in the UK. Demand for electricity (MW) Different energy sources can be used by the national grid at different times. (a) Describe how the demand for electricity changes from 14:00 to 23:00. (b) Explain why a…
(a) State the law of conservation of energy. [2] (b) Fig. 13.1 shows the experiment a student sets up on the ground to investigate energy stores. Fig. 13.1 The student places a magnet at the top of a small ramp. • They place a small iron ball at the bottom of the ramp. The iron b…
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