SP4a Describing Waves | Edexcel GCSE Physics Separate Science Topic Mastery Pack

A focused three-component revision and exam practice pack for SP4a Describing Waves, covering the complete Edexcel Separate Science Physics specification for wave descriptions (P4.1, P4.3, P4.4, P4.5).

Topic Mastery Sheet covers all key wave quantities - amplitude, wavelength, frequency, period and wave velocity - with definitions, units and the relationships between them. Transverse and longitudinal waves are compared with reference to the direction of oscillation relative to wave travel, with named examples of each type. The concept of wavefronts is introduced. A labelled wave diagram shows the key quantities. The most common misconception about what waves transfer (and what they do not) is addressed directly.

Student Exam Practice Sheet includes a multiple choice question on what waves transfer, a diagram-based labelling and description question, a definitions matching exercise, a comparison question on wave types, and a short extended-writing question. Question styles and mark allocations are consistent with the Edexcel test format.

Teacher Answer Key provides a complete mark scheme with guidance on partial marking and the specific points required for the extended writing question.

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