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Student

11 min read

Properties of waves | AQA GCSE Physics revision

A wave is how energy is passed from one medium to another. We explore the key properties of transverse and longitudinal waves, including frequency, amplitude and wavelength. Transverse waves have vibrations perpendicular to the direction of energy transfer, while longitudinal waves have compressions and rarefactions along the same direction as energy transfer. Diagrams are included and there are quiz questions to test your understanding.

Student

9 min read

Christmas Carol Themes Overview | GCSE English Literature revision

The key themes in Charles Dickens' A Christmas Carol include Christmas spirit, redemption, social injustice, family and generosity. Learn how Dickens contrasts Scrooge’s isolation and greed with the warmth of the Cratchit family and the joy of Fred’s celebrations. Key quotes and plot examples are included and we explore how the novella critiques Victorian society while delivering a timeless moral message. Suitable for all exam boards, including AQA.

Student

7 min read

Electrolysis - GCSE Chemistry revision

Electrolysis is when electricity is used to break down ionic compounds into their elements. It involves the movement of positive ions and negative ions, which causes reduction and oxidation. This article covers the electrolysis of molten salts and the electrolysis of aqueous solutions. Key industrial applications include metal extraction, electroplating and hydrogen fuel production. Quiz questions are included to test your knowledge.

Student

6 min read

Negative and fractional Indices | GCSE Maths

Learn about negative and fractional indices for GCSE Maths. Negative indices represent reciprocals, while fractional indices combine roots and powers. The laws of indices are covered and clear examples are provided. Test your knowledge with plenty of practice questions.
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