Motion
Speed
Speed (m/s) = Distance (m) / Time (s) Acceleration
a = (v − u) / t (m/s²) v² = u² + 2as
For uniform acceleration (v = final speed, u = initial speed, s = displacement) Cambridge IGCSE Coordinated Science 0654
🔬 IGCSE Coordinated Science Formula Sheet 2026
Combined Physics, Chemistry, and Biology formulas for the Cambridge IGCSE Coordinated Science double award — all three sciences in one reference sheet.
Physics Formulas Chemistry Equations Biology Processes Scientific Investigation
Our formula sheets are free to download — save this one as PDF for offline revision.
Aligned with the latest 2026 syllabus and board specifications. This sheet is prepared to match your exam board’s official specifications for the 2026 exam series.
All Three Sciences in One Formula Sheet
Cambridge IGCSE Coordinated Science (0654) covers Physics, Chemistry, and Biology in an integrated double-award qualification. This formula sheet consolidates the key formulas, equations, and relationships from all three science disciplines so you can revise efficiently across the full syllabus.
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Physics formulas — motion, energy, electricity, waves
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Chemistry key equations and relationships
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Biology key processes and quantitative definitions
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Scientific investigation and data analysis skills
Physics Formulas
Always state units in numerical answers — marks are awarded for correct units.
Forces
Newton's 2nd Law
Force (N) = Mass (kg) × Acceleration (m/s²) Weight
Weight (N) = Mass (kg) × Gravitational field strength (N/kg) Pressure
Pressure (Pa) = Force (N) / Area (m²) Moment
Moment (N·m) = Force (N) × Perpendicular distance (m) Energy & Work
Work Done
Work (J) = Force (N) × Distance (m) Kinetic Energy
KE = ½ × m × v² Gravitational PE
GPE = m × g × h Power
Power (W) = Energy (J) / Time (s) Efficiency
Efficiency = (Useful energy output / Total energy input) × 100% Electricity
Ohm's Law
V = I × R (V = voltage, I = current, R = resistance) Power
P = I × V = I²R = V²/R Energy
E = P × t = I × V × t Series circuit
Total R = R₁ + R₂ + ... | Current same everywhere Parallel circuit
1/R_total = 1/R₁ + 1/R₂ + ... | Voltage same across each branch Waves
Wave speed
v = f × λ (v = speed, f = frequency, λ = wavelength) Period
T = 1/f Chemistry Key Equations & Relationships
Learn word equations and symbol equations for all required reactions.
Mole Calculations
Moles
n = mass (g) / Mr (relative molecular mass) Concentration
Concentration (mol/dm³) = Moles / Volume (dm³) Gas volume (RTP)
Volume (dm³) = Moles × 24 (at room temperature and pressure) Percentage Composition
% by mass = (Mass of element in compound / Mr of compound) × 100 Percentage Yield & Atom Economy
% Yield
% Yield = (Actual yield / Theoretical yield) × 100 Atom Economy
Atom Economy = (Mr of desired product / Sum of Mr of all products) × 100 Key Chemical Reactions to Know
Photosynthesis
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂ Aerobic respiration
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy Neutralisation
Acid + Base → Salt + Water Combustion (complete)
Hydrocarbon + O₂ → CO₂ + H₂O pH Scale
pH 1–6: acidic | pH 7: neutral | pH 8–14: alkaline. Strong acids/bases have extreme pH values; weak acids/bases have values closer to 7.
Biology Key Processes & Definitions
Quantitative biology questions appear frequently — know the formulas below.
Magnification
Magnification = Image size / Actual size Rearranged
Actual size = Image size / Magnification Photosynthesis & Respiration
Photosynthesis
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂ (light energy required) Aerobic respiration
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O (+ ATP energy released) Anaerobic (animals)
Glucose → Lactic acid (+ small amount of ATP) Anaerobic (yeast)
Glucose → Ethanol + CO₂ (fermentation) Population Growth
Population Growth Rate = (Birth rate − Death rate) + (Immigration − Emigration) Osmosis & Water Potential
Water moves by osmosis from high water potential (dilute solution) to low water potential (concentrated solution) through a selectively permeable membrane.
Scientific Investigation & Data Analysis
Applied in questions across all three sciences — know these skills well.
Mean, Median, Mode
Mean
Mean = Sum of all values / Number of values Median
Middle value when data is arranged in order Mode
Most frequently occurring value Percentage Change
% Change = ((New value − Original value) / Original value) × 100 Uncertainty
Absolute uncertainty
± half the smallest scale division of the measuring instrument Percentage uncertainty
(Absolute uncertainty / Measured value) × 100% Independent, Dependent & Control Variables
Independent
The variable you change Dependent
The variable you measure Control
Variables kept constant to ensure a fair test How to Use This Formula Sheet
Boost your Cambridge exam confidence with these proven study strategies from our tutoring experts.
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Revise All Three Sciences
The double award is examined across both papers. Don't neglect one science — all three contribute equally to your final grade.
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Show All Working
In calculation questions, write the formula, substitute values with units, then state the final answer. Marks are available for correct method even if arithmetic is wrong.
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Learn Required Practicals
Questions on experimental design and analysis appear every year. Know the apparatus, method, and expected results for all required practicals.
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Link to Real Contexts
Cambridge Coordinated Science questions use real-world scenarios. Practise applying formulas in unfamiliar contexts — not just standard textbook examples.
Formula Sheet FAQ
Quick answers about this free PDF and how to use it for exam revision and active recall.
Is the IGCSE Coordinated Science Formula Sheet 2026 free to download as a PDF?
Yes. This Tutopiya formula sheet is free to use and you can download it as a PDF from this page for offline revision. There is no payment or account required for the PDF download.
What Coordinated Science topics and equations does this formula sheet cover?
This page groups key Coordinated Science formulas in one place for revision. Complete formula sheet for Cambridge IGCSE Coordinated Science (0654). Covers Physics, Chemistry, and Biology formulas for the double award — all in one quick-reference guide. Always cross-check with your official syllabus and past papers for your exam session.
Can I use this instead of the official exam formula booklet in the exam?
No. In the exam you must follow only what your exam board allows in the hall—usually the official formula booklet or data sheet where provided. This page is a revision and teaching aid, not a replacement for board-issued materials.
Who is this formula sheet for (Secondary)?
It is written for students preparing for assessments at Secondary in Coordinated Science, including classroom revision, homework support, and independent study. Teachers and tutors can also share it as a quick reference.
How should I revise with this formula sheet?
Work through past paper questions, quote the correct formula before substituting values, and check units and notation every time. Pair this sheet with timed practice and mark schemes so you see how examiners expect working to be set out.
Where can I get more help with Coordinated Science revision?
Explore Tutopiya’s study tools, past paper finder, and revision checklists linked from our tools hub, or book a trial lesson with a subject specialist for personalised support alongside this formula reference.
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This formula sheet aligns with Cambridge Assessment International Education IGCSE Coordinated Science (0654) double-award syllabus content.
Always include units in numerical answers and check that your answers are physically reasonable.