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This GCSE Physics PowerPoint bundle provides a comprehensive series of lessons on waves and the electromagnetic spectrum, covering wave properties, speed of sound, refraction, the electromagnetic spectrum, its uses, dangers, and required practicals. Designed for AQA GCSE Combined Science (Foundation Tier) Physics, these presentations offer detailed explanations, real-world applications, required practicals, and exam-style questions to support student learning. Each lesson includes clear diagrams, structured activities, and revision tasks, making this bundle ideal for both classroom teaching and independent study.

What’s Included in the Bundle?

1. Introduction to Waves
   Definition of waves and how they transfer energy.
   Identifying transverse and longitudinal waves with real-life examples.
   Key wave properties, including wavelength, amplitude, and frequency.
2. Properties of Waves
   Understanding wave frequency, speed, and period.
   The wave speed equation and how to apply it.
   Investigations using ripple tanks and oscilloscopes (simulation).
3. Speed of Sound
   How sound waves travel through solids, liquids, and gases.
   Factors affecting the speed of sound in different materials.
   Measuring sound speed using echo methods and timing experiments.
4. Required Practical – Measuring Wave Speed
   Investigating wave speed in solids (string) and water (ripple tanks).
   How to accurately measure wavelength, frequency, and speed.
   Understanding the relationship between wave properties and medium.
5. Refraction
   Explanation of light bending at material boundaries.
   Using ray diagrams to illustrate refraction.
   Required practical on measuring refraction using a glass block.
6. The Electromagnetic Spectrum
   Understanding the order of the electromagnetic spectrum based on wavelength, frequency, and energy.
   Explaining how all electromagnetic waves travel at the speed of light in a vacuum.
   Applying the wave speed equation to EM waves.
7. Uses of Electromagnetic Waves
   Exploring how radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays are used.
   Real-world applications in communication, medicine, security, and industry.
8. Required Practical – Absorption and Radiation
   Investigating infrared radiation emission and absorption.
   Using Leslie cubes and boiling tubes to analyze heat transfer.
   Understanding how surface color and texture affect radiation.
9. Dangers of Electromagnetic Waves
   Identifying ionising vs. non-ionising radiation.
   Explaining the risks of X-rays, gamma rays, and ultraviolet radiation.
   Examining radiation safety, dose measurement, and protection methods.

Each PowerPoint is fully editable (.pptx), allowing teachers to customize the content. The bundle includes exam-style questions, structured revision tasks, and guided practical investigations to enhance student understanding.

Last updated: March 2025.

This PowerPoint bundle is perfect for teachers, tutors, and students looking for a detailed and curriculum-aligned resource on waves and the electromagnetic spectrum. Download now to enhance your physics lessons!