Study guides

Chromosomes: In body cells the chromosomes are normally found in pairs.

AQA·GCSE

8464

Chromosomes: The nucleus of a cell contains chromosomes made of DNA molecules. Each chromosome carries a large number of genes.

AQA·GCSE

8464

Circle Theorems

OCR·GCSE

Master OCR GCSE Further Maths with this deep dive into Circle Theorems (5.1). This guide breaks down all seven key theorems, provides algebraic proof strategies, and includes examiner-approved worked examples to help you secure top marks.

Circular Flow of Income

OCR·GCSE

This study guide provides a comprehensive overview of the Circular Flow of Income for OCR GCSE Economics (J205). It breaks down the core model, explains the crucial roles of injections and withdrawals, and provides examiner-level insights to help students secure top marks.

Civil rights and race relations in the USA, 1850–2009

Pearson Edexcel·A-Level

Pearson-A-Level-History

This study explores how Southern states and the Supreme Court systematically dismantled Black Americans' rights after Reconstruction. It's crucial for understanding how the legal framework of segregation—Jim Crow—was built, forming the foundation of racial inequality that lasted until the Civil Rights Movement of the 1950s and 60s.

Classification of living organisms: Archaea (primitive bacteria usually living in extreme environments)

AQA·GCSE

8464

Classification of living organisms: As evidence of internal structures became more developed due to improvements in microscopes, and the understanding of biochemical processes progressed, new models of classification were proposed.

AQA·GCSE

8464

Classification of living organisms: Bacteria (true bacteria)

AQA·GCSE

8464

Classification of living organisms: Due to evidence available from chemical analysis there is now a ‘three-domain system’ developed by Carl Woese. In this system organisms are divided into:

AQA·GCSE

8464

Classification of living organisms: Eukaryota (which includes protists, fungi, plants and animals).

AQA·GCSE

8464

Classification of living organisms: Evolutionary trees are a method used by scientists to show how they believe organisms are related. They use current classification data for living organisms and fossil data for extinct organisms.

AQA·GCSE

8464

Classification of living organisms: Linnaeus classified living things into kingdom, phylum, class, order, family, genus and species. Organisms are named by the binomial system of genus and species.

AQA·GCSE

8464

Classification of living organisms: Students should be able to describe the impact of developments in biology on classification systems.

AQA·GCSE

8464

Classification of living organisms: Students should be able to use information given to show understanding of the Linnaean system.

AQA·GCSE

8464

Classification of living organisms: Traditionally living things have been classified into groups depending on their structure and characteristics in a system developed by Carl Linnaeus.

AQA·GCSE

8464

Climate Change

OCR·GCSE

This study guide for OCR GCSE Geography delves into the critical topic of Climate Change, equipping candidates with the precise knowledge and skills to excel in their exams. It unpacks the distinction between natural and anthropogenic climate drivers, evaluates evidence, and assesses management strategies, making a complex global issue clear and accessible.

Climbing My Grandfather

AQA·GCSE

8702

'Climbing My Grandfather' is a beautifully crafted poem that uses the extended metaphor of a mountain climb to explore the deep bond between a grandchild and their grandfather. It offers rich opportunities for GCSE students to analyse structure, sensory imagery, and the complex interplay between physical details and emotional understanding.

Coastal erosion and deposition create distinctive landforms within the coastal landscape

Pearson Edexcel·GCSE

Pearson-GCSE-Geography

This study guide covers the dynamic physical processes of erosion and deposition that shape our coastlines, creating spectacular landforms from caves and stacks to beaches and spits. Understanding how waves interact with geology is crucial for mastering GCSE Geography and earning top marks in physical landscape questions.

Coastal Landscapes

OCR·GCSE

This study guide provides a comprehensive, exam-focused breakdown of Coastal Landscapes for OCR GCSE Geography. It explores the dynamic processes that shape our coastlines, the distinctive landforms created, and the complex challenges of coastal management, equipping candidates with the precise knowledge and skills needed to achieve top marks.

Cognitive Approach

WJEC·A-Level

This guide provides a comprehensive, exam-focused breakdown of the Cognitive Approach for WJEC A-Level Psychology. It delves into the core assumptions, classic studies, and therapeutic applications that are essential for achieving top marks, moving beyond simple descriptions to the critical analysis examiners want to see."

Cognitive Psychology

Pearson Edexcel·A-Level

This guide provides a comprehensive, exam-focused breakdown of Cognitive Psychology for Edexcel A-Level. It unpacks the core models of memory, key studies, and provides specific techniques to help candidates maximise their marks in AO1, AO2, and AO3 questions.

Comets

OCR·GCSE

This study guide covers comets within the OCR GCSE Physics specification, focusing on their highly elliptical orbits, velocity changes, and energy transformations. Understanding how comets differ from planets and applying gravitational principles to explain speed variations are critical for earning marks in both Foundation and Higher tier exams."

Common Programming Languages (Python, Java)

OCR·GCSE

This topic explores the fundamental differences between high-level and low-level programming languages, the mechanics of translators (compilers and interpreters), and the essential facilities provided by Integrated Development Environments (IDEs). Understanding these concepts is crucial for scoring marks in OCR's written papers, where precise terminology and the ability to compare translation methods are frequently assessed.

Communicable (infectious) diseases: Bacteria and viruses may reproduce rapidly inside the body.

AQA·GCSE

8464

Communicable (infectious) diseases: Bacteria may produce poisons (toxins) that damage tissues and make us feel ill.

AQA·GCSE

8464

Communicable (infectious) diseases: Pathogens are microorganisms that cause infectious disease. Pathogens may be viruses, bacteria, protists or fungi. They may infect plants or animals and can be spread by direct contact, by water or by air.

AQA·GCSE

8464

Communicable (infectious) diseases: Students should be able to explain how diseases caused by viruses, bacteria, protists and fungi are spread in animals and plants.

AQA·GCSE

8464

Communicable (infectious) diseases: Students should be able to explain how the spread of diseases can be reduced or prevented.

AQA·GCSE

8464

Communicable (infectious) diseases: Viruses live and reproduce inside cells, causing cell damage.

AQA·GCSE

8464

Communicable disease

Eduqas·GCSE

WJEC-GCSE-Biology

Master the microscopic world of pathogens and the body's incredible defence systems. This topic is heavily tested in exams, especially the differences between antibiotics and vaccines, and the distinction between phagocytes and lymphocytes.