Subjects

Combined Science

Cellular Respiration

Formation of Biomolecules

436

•

8 Dec 2025

•

3 pages

Comprehensive Science Revision Checklist

Leah

@leahkaur_682

Getting ready for your GCSEs? This overview covers the essential... Show more

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BIOLOGY
Topic
Topic 1: Cell Biology
Animal and plant cells
Prokaryotic cells
Specialised cells
Microscopes and magnification
Cell division
S

Biology: Understanding Life Around You

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!

Chemistry: The Building Blocks of Everything

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!

Physics: How the Universe Works

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!

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Subjects

Combined Science

Cellular Respiration

Formation of Biomolecules

Combined Science

•

436

•

8 Dec 2025

•

3 pages

Comprehensive Science Revision Checklist

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.

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Biology: Understanding Life Around You

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!

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Chemistry: The Building Blocks of Everything

Remember: Chemistry patterns repeat throughout the periodic table - once you understand one group, others become much easier!

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Access to all documents

Improve your grades

Join milions of students

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Physics: How the Universe Works

Physics Hack: Always start with what you can observe, then work backwards to understand the underlying principles - physics explains the world you already know!