Study guides

Conservation of energy

Pearson Edexcel·GCSE

Pearson-GCSE-Combined-Science

Master the fundamental rule of physics: energy cannot be created or destroyed, only transferred. This topic is the bedrock of GCSE Physics and guarantees calculation marks in your exam if you know your equations and energy stores.

Conservation of mass and balanced chemical equations: Students should understand the use of the multipliers in equations in normal script before a formula and in subscript within a formula.

AQA·GCSE

8464

Conservation of mass and balanced chemical equations: The law of conservation of mass states that no atoms are lost or made during a chemical reaction so the mass of the products equals the mass of the reactants.

AQA·GCSE

8464

Conservation of mass and balanced chemical equations: This means that chemical reactions can be represented by symbol equations which are balanced in terms of the numbers of atoms of each element involved on both sides of the equation.

AQA·GCSE

8464

Conservation of Momentum

OCR·GCSE

This guide provides a comprehensive overview of the Conservation of Momentum (OCR GCSE Physics 1.13), a fundamental principle governing interactions between objects. It is designed to equip students with the knowledge and skills to tackle exam questions effectively, focusing on mathematical application, conceptual understanding, and exam technique.

Constructed Textiles

OCR·GCSE

This guide provides a comprehensive overview of Constructed Textiles for OCR GCSE Art and Design. It covers core techniques, key practitioners, and portfolio development, with a strong focus on the assessment objectives to help candidates maximise their marks.

Constructions

OCR·GCSE

Master OCR GCSE Constructions by learning to use a ruler and compasses with precision. This guide breaks down perpendicular bisectors, angle bisectors, and complex loci to help you secure every mark. Forget the protractor and learn the techniques that examiners reward.

Constructs

Pearson Edexcel·GCSE

Pearson-GCSE-Computer-Science

Master the fundamental building blocks of all software: Sequence, Selection, and Iteration. This topic is the core of Computer Science and tests your ability to think like a real programmer, enabling you to read, trace, and write code confidently for the exam.

Consumer law

OCR·GCSE

J204

Consumer law is the crucial bridge between business operations and customer trust. Understanding how the Consumer Rights Act 2015 impacts business reputation and decision-making is essential for securing high marks in evaluation questions.

Contact and Non-Contact Forces

OCR·GCSE

This guide provides a comprehensive, exam-focused breakdown of Contact and Non-Contact Forces for OCR GCSE Physics (2.1). It covers everything from fundamental definitions and free-body diagrams to mastering Newton's Third Law, ensuring candidates can secure maximum marks.

Contemporary Issues in Sport

OCR·A-Level

This guide provides a comprehensive analysis of Contemporary Issues in Sport for OCR A-Level PE (6.3). It critically examines the sociological and ethical dimensions of modern sport, focusing on the commercialisation, deviance, and technological impacts required to achieve top marks."

Contraception and Family Planning

AQA·GCSE

8062

This study guide delves into the complex and often controversial topic of contraception and family planning within Christianity, focusing on the AQA GCSE Religious Studies specification. It unpacks the stark contrast between the Catholic Church's absolutist stance, rooted in Natural Law, and the more liberal, situation-based approach of Protestant denominations, providing candidates with the nuanced understanding required to excel in their exams.

Contraception: abstaining from intercourse when an egg may be in the oviduct

AQA·GCSE

8464

Contraception: barrier methods such as condoms and diaphragms which prevent the sperm reaching an egg

AQA·GCSE

8464

Contraception: Fertility can be controlled by a variety of hormonal and non- hormonal methods of contraception.

AQA·GCSE

8464

Contraception: injection, implant or skin patch of slow release progesterone to inhibit the maturation and release of eggs for a number of months or years

AQA·GCSE

8464

Contraception: intrauterine devices which prevent the implantation of an embryo or release a hormone

AQA·GCSE

8464

Contraception: oral contraceptives that contain hormones to inhibit FSH production so that no eggs mature

AQA·GCSE

8464

Contraception: spermicidal agents which kill or disable sperm

AQA·GCSE

8464

Contraception: Students should be able to evaluate the different hormonal and non-hormonal methods of contraception.

AQA·GCSE

8464

Contraception: surgical methods of male and female sterilisation.

AQA·GCSE

8464

Contraception: These include:

AQA·GCSE

8464

Control of blood glucose concentration: (HT only) If the blood glucose concentration is too low, the pancreas produces the hormone glucagon that causes glycogen to be converted into glucose and released into the blood.

AQA·GCSE

8464

Control of blood glucose concentration: (HT only) Students should be able to explain how glucagon interacts with insulin in a negative feedback cycle to control blood glucose (sugar) levels in the body.

AQA·GCSE

8464

Control of blood glucose concentration: Blood glucose concentration is monitored and controlled by the pancreas.

AQA·GCSE

8464

Control of blood glucose concentration: If the blood glucose concentration is too high, the pancreas produces the hormone insulin that causes glucose to move from the blood into the cells. In liver and muscle cells excess glucose is converted to glycogen for storage.

AQA·GCSE

8464

Control of blood glucose concentration: In Type 2 diabetes the body cells no longer respond to insulin produced by the pancreas. A carbohydrate controlled diet and an exercise regime are common treatments. Obesity is a risk factor for Type 2 diabetes.

AQA·GCSE

8464

Control of blood glucose concentration: Students should be able to compare Type 1 and Type 2 diabetes and explain how they can be treated.

AQA·GCSE

8464

Control of blood glucose concentration: Students should be able to explain how insulin controls blood glucose (sugar) levels in the body.

AQA·GCSE

8464

Control of blood glucose concentration: Students should be able to extract information and interpret data from graphs that show the effect of insulin in blood glucose levels in both people with diabetes and people without diabetes.

AQA·GCSE

8464