A focused three-component revision and exam practice pack for SP4e, covering the complete Edexcel Separate Science Physics specification for hearing (SP4.12P). All content is Higher tier.

Topic Mastery Sheet covers the structure of the human ear and the function of each component in the hearing pathway from sound wave to nerve impulse; the sequence in which different parts of the ear are involved; and why only a limited frequency range can be detected - with the physical explanation. A key note on mark scheme requirements for sequence-dependent questions is included.

Student Exam Practice Sheet includes a sequence question on the hearing pathway, an explanation question on the limited frequency range, a function question covering two named parts of the ear, and a question on age-related hearing changes. All questions are Higher tier and match the Edexcel test format.

Teacher Answer Key provides a complete mark scheme with specific guidance on how sequence marks are awarded and what level of detail is required for the frequency range explanation.

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