a reaction in which energy is given out to the surroundings,surroundings then have more energy thus they have a temp increase 

combustion reactions,oxidation reactions and neutralisation reactiond

what are some examples of exothermic reactions

a reaction where energy is taken in,and the temp of the surroundings decreases

thermal decomposition reactions and the reaction citric acid and sodium hydrogencarbonate

what are some examples of an endothermic reactions

the type of reaction when a compound breaks down to form 2 or more substances when it is heated

the energy levels are decreased in an exothermic reaction as the surroundings have gained energy and in an endothermic the energy levels are higher as energy js absorbed from the surroundings

in an energy level diagram what shows a exothermic or endothermic reaction

when more heat energy is created in making bonds than is taken in when breaking bonds

if less heat energy is created in making the bonds than taken in when breaking bonds

what is the definition of an endothermic reaction

a store of internal energy thst can be transferred as an electrical current in a circuit by a chemical reaction

a voltage is produced until the reactans are used up,we call this the battery going flat

produce a continuous voltage as long as they are supplied with a reliable supple of fuel and oxygen

cheap,may end up in landfill and expensive yk recycle

what are the pros and cons of am alkaline cell

can be recharged many times before being recycled,cost mote to manufacture 

what are the pros and cons of a rechargeable cell

easy tk maintain as there are no moving parte and water is only chemical product,very expensive ,need a constant supply kf hydrogne fuel,which is flammable 

what are the pros and cons of a hydrogen fuel cell

English (UK)

energy changes,exothermic and endothermic chemistry aqa single science higher

Flashcard

Hawkmaster 

United Kingdom

DEFAULT (England)

Chemistry

energy changes

A-Level Sociology: Education. So these notes have all the sociologists studies that are also part of methods in context, I just haven't covered research methods here :)

Explore comprehensive A-Level Sociology notes on the education system, covering key theories, policies, and sociological perspectives. This resource includes insights on marketisation, gender roles, cultural deprivation, and educational inequalities, providing a thorough understanding of how education shapes social stratification and individual achievement. Ideal for exam preparation and in-depth study.

Sociology of Education Overview

Revision note

Saffron

Sociology

Education- full topic revision 

Quotes + Analysis for characters in An Inspector Calls (Grade 8+)

Explore in-depth analysis and key quotes for characters in J.B. Priestley's 'An Inspector Calls'. This resource covers Gerald Croft, Inspector Goole, Sheila Birling, Mrs. Birling, Eric Birling, and Eva Smith, focusing on themes of class, gender roles, and social responsibility. Ideal for students aiming for Grade 8 and above.

An Inspector Calls: Character Insights

Mind map

Liv_767

English Literature

An Inspector Calls Characters

Revision maps for all 9 crime and deviance topics
I want to say thank you to everyone who's been so patient while i finished these notes- I got so many message asking if i had full topic notes for this unit so I'm glad to hear my work is helping people :)

Explore an extensive revision of crime and deviance topics, including theories, types of crime, and the impact of media. This resource covers key concepts such as Marxism, functionalism, gender and crime, and the influence of globalization on criminal behavior. Ideal for students seeking a thorough understanding of criminology and its various theories. Type: Full Topic Revision.

Comprehensive Crime & Deviance Overview

Crime & Deviance: full topic revision

Everything you need to revise families for paper 2 :)

Dive into an extensive overview of family dynamics, perspectives, and patterns in sociology. This resource covers key concepts such as family diversity, gender roles, marriage, and the impact of social policies on family structures. Perfect for A-Level Sociology students preparing for Paper 2.

Sociology of Families: Comprehensive Revision

A-Level Sociology: Families and Households Full Topic Revision 

Criminology unit 4 detailed revision note

Crystabel Owusu

Criminology

WJEC Unit 4 Criminology 

soph🐈‍⬛¿

Biology

Combined Science

aqa higher tier combined science -  biology b1 : cell biology, paper 1

Mindmaps for the crime and punishment topic. Remember, the exam for this is like a normal alevel so you'll need to remember as much as you can rather than take a folder in!

Comprehensive mindmaps covering key concepts in the Crime and Punishment topic for WJEC Criminology Unit 4. This resource includes detailed insights into the Criminal Justice System, crime prevention strategies, sentencing models, and the roles of various agencies. Ideal for A-Level revision, ensuring you grasp essential theories and legislative processes to excel in your exams.

Criminology: Crime & Punishment Overview

WJEC Criminology Unit 4 Full Topic Revision 

macbeth, lady macbeth and macbeth themes and context

Explore the complex themes of guilt and ambition in Shakespeare's 'Macbeth'. This analysis covers key characters, including Macbeth and Lady Macbeth, their moral dilemmas, and the tragic consequences of their ambition. Ideal for students studying character motivations, thematic elements, and the psychological impact of power. Includes insights on the natural order, manipulation, and the descent into madness.

Macbeth: Guilt and Ambition

ruru

Macbeth mind maps

Explore essential AQA Biology topics including Photosynthesis, Respiration, Homeostasis, Genetics, and Ecology. This comprehensive knowledge organizer covers key concepts such as energy transfer, hormonal control, and genetic variation, providing a solid foundation for your studies. Ideal for exam preparation and understanding biological processes.

AQA Biology: Key Concepts

B€LA〄

Biology (all topics)

Key Romeo and Juliet themes and analysed quotes 

alicia

Romeo and Juliet: Key themes 

Quiz

Dhyan Patel

GCSE AQA Chemistry Topic 1

Issy

Quick Runthrough of Chemistry Paper 1 

AQA GCSE Combined Chemistry * detailed summary 

Summary

Matilda Gant

GCSE Chemistry Revision Notes

Everything from snaprevise for OCR chemistry a-level

A-level OCR A Chemistry summary sheets

Explore key AQA GCSE Chemistry practicals, including flame tests, titration, and gas identification. This resource covers essential techniques for analyzing ions, making salts, and understanding reaction kinetics. Perfect for students preparing for exams and practical assessments.

Essential Chemistry Practicals

Lorena

Chemistry Required Practical  

Ruth Okungbowa

AQA GCSE Chemistry 4.2 Bonding, structure and the Properties of Matter

Grace Daniels

chem paper 1

Explore the fundamentals of redox reactions, including oxidation states, definitions of oxidation and reduction, and the roles of oxidizing and reducing agents. This summary covers key rules for determining oxidation states, the concept of disproportionation, and practical applications in chemical equations. Ideal for A-Level Chemistry students preparing for exams.

energy changes

Flashcards

energy changes

Flashcards