A toy car is released by a compressed spring. Which energy store decreases as the spring returns to its original length?
The kinetic store of the spring
The thermal store of the spring
The chemical store of the spring
The elastic store of the spring
115 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.