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Understand how increasing or decreasing pressure changes gas solubility and why this matters for IB Chemistry exams.

Learn what dynamic equilibrium is, how it forms, and how to explain it clearly in IB Chemistry exams.

Learn the key differences between strong and weak acids, including ionization, pH, and exam tips for IB Chemistry.

Understand what a mole is, why it matters, and how IB Chemistry uses it for calculations, reactions, and real-world applications.

Learn what Ohm’s Law states, how voltage, current, and resistance are related, and how to apply it in IB Physics exams and IA work.

Learn what an ecosystem is, how it functions, and why it is essential in IB Biology ecology topics.

Learn what amplitude means in wave physics, how it affects energy, and why it is essential for IB Physics exams and IA investigations.

Learn the correct general equation for cellular respiration and understand how it appears in IB Biology exams and metabolic pathways.

Learn how resistance influences current in an electric circuit, with clear IB Physics explanations, examples, and exam-focused guidance.

Learn how natural selection works, what drives evolution, and the key mechanisms behind species change

Learn Newton’s First Law of Motion in clear IB Physics terms, with examples, applications, and exam-focused explanations.

Learn the key differences between photosynthesis and cellular respiration with clear IB Biology explanations and metabolic comparisons.

Learn the SI unit of energy in IB Physics, how energy is measured, and why joules matter across mechanics, electricity, and thermal physics.

Learn the role of starch in plants, why it is essential for energy storage, and how it appears in IB Biology exam questions.

Learn how to calculate pH from hydrogen ion concentration using the formula pH = –log[H⁺]. Clear explanations for IB Chemistry students.

A simple and clear breakdown of DNA structure, double helix formation, base pairing, and its biological role.

Understand Le Chatelier’s Principle in IB Chemistry, including how equilibrium shifts with changes in concentration, temperature, and pressure.

Learn how to calculate acceleration from velocity and time in IB Physics with clear formulas, examples, and exam-focused guidance.

Learn the difference between population density and population distribution with clear IB Biology explanations and examples.

Understand how vaccines trigger immunity, how the body builds protection, and why vaccination is essential.

Learn why specific heat capacity matters in IB Physics, how it affects energy transfer, and why it is essential for exams, experiments, and the IA.