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Subjects
Triangle Congruence and Similarity Theorems
Triangle Properties and Classification
Linear Equations and Graphs
Geometric Angle Relationships
Trigonometric Functions and Identities
Equation Solving Techniques
Circle Geometry Fundamentals
Division Operations and Methods
Basic Differentiation Rules
Exponent and Logarithm Properties
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Human Organ Systems
Reproductive Cell Cycles
Biological Sciences Subdisciplines
Cellular Energy Metabolism
Autotrophic Energy Processes
Inheritance Patterns and Principles
Biomolecular Structure and Organization
Cell Cycle and Division Mechanics
Cellular Organization and Development
Biological Structural Organization
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Chemical Sciences and Applications
Atomic Structure and Composition
Molecular Electron Structure Representation
Atomic Electron Behavior
Matter Properties and Water
Mole Concept and Calculations
Gas Laws and Behavior
Periodic Table Organization
Chemical Thermodynamics Fundamentals
Chemical Bond Types and Properties
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European Renaissance and Enlightenment
European Cultural Movements 800-1920
American Revolution Era 1763-1797
American Civil War 1861-1865
Global Imperial Systems
Mongol and Chinese Dynasties
U.S. Presidents and World Leaders
Historical Sources and Documentation
World Wars Era and Impact
World Religious Systems
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Classic and Contemporary Novels
Literary Character Analysis
Rhetorical Theory and Practice
Classic Literary Narratives
Reading Analysis and Interpretation
Narrative Structure and Techniques
English Language Components
Influential English-Language Authors
Basic Sentence Structure
Narrative Voice and Perspective
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596
•
Updated Mar 31, 2026
•
Leah
@leahkaur_682
Getting ready for your GCSEs? This overview covers the essential... Show more




Cell biology kicks off your journey into the living world. You'll explore how animal and plant cells differ, discover the simpler structure of prokaryotic cells (like bacteria), and see how cells become specialised for specific jobs. Understanding microscopes and magnification helps you see these tiny structures clearly.
Cell division and stem cells reveal how organisms grow and repair themselves. Meanwhile, diffusion, osmosis and active transport explain how substances move in and out of cells - crucial processes that keep everything alive.
The organisation section shows how cells work together. You'll study the digestive system (how your body breaks down food), the cardiovascular system (your heart and blood vessels), and non-communicable diseases like cancer and diabetes.
Infection and response covers the microscopic battles happening around us. From viral diseases and bacterial diseases to fungal diseases and harmful protists, you'll learn how our human defence systems fight back. Vaccinations and drug development show how science protects us from these threats.
Quick Tip: Connect each topic to real life - think about how photosynthesis powers your breakfast or how your muscles use different types of respiration during exercise!

Atomic structure and the periodic table forms chemistry's foundation. You'll understand atoms, elements and compounds, dive into atomic structure, and explore the history of the atom. The periodic table becomes less intimidating once you grasp its development and learn about key groups like alkali metals, halogens and noble gases.
Bonding explains why substances behave differently. Ionic bonding creates compounds like salt, whilst covalent bonding forms molecules like water. Metallic bonding gives metals their unique properties, and understanding states of matter helps predict how materials will behave.
Quantitative chemistry brings maths into the mix. Conservation of mass shows that atoms don't disappear in reactions, relative formula mass helps you calculate molecular weights, and moles (for higher tier students) provide a way to count particles. Concentrations of solutions connects to real-world applications.
Chemical changes explores reactions in action. The reactivity series predicts which metals will react, whilst acids and alkalis plus neutralisation explain everyday chemistry. Electrolysis demonstrates how electricity can drive chemical reactions.
Remember: Chemistry patterns repeat throughout the periodic table - once you understand one group, others become much easier!

Energy concepts underpin everything in physics. You'll master different energy stores, calculate kinetic, gravitational potential and elastic energy, and understand power and efficiency. National and global energy resources connect physics to environmental issues you'll face in the future.
Electricity governs our modern world. Learning circuit symbols is like learning a new language, whilst understanding current and voltage plus resistance and potential difference helps you analyse circuits. Series and parallel circuits behave very differently, and mains electricity through the national grid powers our society.
The particle model of matter explains material behaviour. Solids, liquids and gases have distinct properties, density determines whether objects float, and specific heat capacity plus latent heat explain heating and cooling processes. Pressure affects everything from weather to cooking.
Atomic structure reveals matter's deepest secrets. Understanding basic atomic structure and isotopes leads to radiation - a topic that sounds scary but follows clear rules. Radioactive contamination teaches you about real-world applications and safety.
Physics Hack: Always start with what you can observe, then work backwards to understand the underlying principles - physics explains the world you already know!
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
App Store
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Leah
@leahkaur_682
Getting ready for your GCSEs? This overview covers the essential topics you'll tackle across Biology, Chemistry, and Physics. Think of it as your roadmap to understanding everything from how cells work to why atoms behave the way they do.

Access to all documents
Improve your grades
Join milions of students
Cell biology kicks off your journey into the living world. You'll explore how animal and plant cells differ, discover the simpler structure of prokaryotic cells (like bacteria), and see how cells become specialised for specific jobs. Understanding microscopes and magnification helps you see these tiny structures clearly.
Cell division and stem cells reveal how organisms grow and repair themselves. Meanwhile, diffusion, osmosis and active transport explain how substances move in and out of cells - crucial processes that keep everything alive.
The organisation section shows how cells work together. You'll study the digestive system (how your body breaks down food), the cardiovascular system (your heart and blood vessels), and non-communicable diseases like cancer and diabetes.
Infection and response covers the microscopic battles happening around us. From viral diseases and bacterial diseases to fungal diseases and harmful protists, you'll learn how our human defence systems fight back. Vaccinations and drug development show how science protects us from these threats.
Quick Tip: Connect each topic to real life - think about how photosynthesis powers your breakfast or how your muscles use different types of respiration during exercise!

Access to all documents
Improve your grades
Join milions of students
Atomic structure and the periodic table forms chemistry's foundation. You'll understand atoms, elements and compounds, dive into atomic structure, and explore the history of the atom. The periodic table becomes less intimidating once you grasp its development and learn about key groups like alkali metals, halogens and noble gases.
Bonding explains why substances behave differently. Ionic bonding creates compounds like salt, whilst covalent bonding forms molecules like water. Metallic bonding gives metals their unique properties, and understanding states of matter helps predict how materials will behave.
Quantitative chemistry brings maths into the mix. Conservation of mass shows that atoms don't disappear in reactions, relative formula mass helps you calculate molecular weights, and moles (for higher tier students) provide a way to count particles. Concentrations of solutions connects to real-world applications.
Chemical changes explores reactions in action. The reactivity series predicts which metals will react, whilst acids and alkalis plus neutralisation explain everyday chemistry. Electrolysis demonstrates how electricity can drive chemical reactions.
Remember: Chemistry patterns repeat throughout the periodic table - once you understand one group, others become much easier!

Access to all documents
Improve your grades
Join milions of students
Energy concepts underpin everything in physics. You'll master different energy stores, calculate kinetic, gravitational potential and elastic energy, and understand power and efficiency. National and global energy resources connect physics to environmental issues you'll face in the future.
Electricity governs our modern world. Learning circuit symbols is like learning a new language, whilst understanding current and voltage plus resistance and potential difference helps you analyse circuits. Series and parallel circuits behave very differently, and mains electricity through the national grid powers our society.
The particle model of matter explains material behaviour. Solids, liquids and gases have distinct properties, density determines whether objects float, and specific heat capacity plus latent heat explain heating and cooling processes. Pressure affects everything from weather to cooking.
Atomic structure reveals matter's deepest secrets. Understanding basic atomic structure and isotopes leads to radiation - a topic that sounds scary but follows clear rules. Radioactive contamination teaches you about real-world applications and safety.
Physics Hack: Always start with what you can observe, then work backwards to understand the underlying principles - physics explains the world you already know!
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
17
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Cell metabolism is a network of biochemical reactions transforming metabolites to fulfill biological functions.
8.1-8.6
Reactions of photosynthesis
Notes describing carbohydrates, what they are, and the role they play in biology.
Defines all chemical aspects of life, and defines terms like matter, element, compound, protons, neutrons, and more. Covers the 6 most most common elements that make up your body.
A-Z Notes for Unit 1 of AQA AS Biology New Spec
App Store
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user