Combined Science: Synergy 8465: Explaining Change Topical Past Paper Questions
AQA GCSE Combined Science: Synergy (8465) past-paper questions on Explaining Change, free. This topic is frequently examined across 7 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about electrolysis. Figure 9 shows the electrolysis of molten potassium chloride using inert electrodes. Figure 9 1 Why must potassium chloride be molten during the electrolysis? [1 mark] 2 Why are inert electrodes used in electrolysis? [1 mark] 3 A gas is releas…
Figure 10 shows a rock pool on a sea shore. Rock pools are flooded twice a day with fresh sea water. Figure 10 1 What is the community of the rock pool? [1 mark] Starfish are animals that live in rock pools. A scientist investigated the effect that starfish had on the number of s…
A student investigated the number of plants in two different fields. This is the method used. 1. Place a quadrat randomly in field A. 2. Count the number of plants of each species in the quadrat. Do not count grasses. 3. Repeat steps 1 and 2 another 19 times. 4. Repeat steps 1 to…
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