A stationary electric kettle heats water. Which describes the energy transfer to the water?
Energy is transferred mechanically, increasing its thermal store.
Energy is transferred electrically, increasing its chemical store.
Energy is transferred mechanically, increasing its chemical store.
Energy is transferred electrically, increasing its thermal store.
121 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.