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Sciences
8 sections available · 51 chapters available
Free Sciences study notes for IB Middle Years Programme (MYP) students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in the thinka app.
Scientific inquiry and investigation skills (criteria B and C)
Scientific method, questions and variables
Testable hypotheses and scientific reasoning
Designing a complete and safe method
Measurement, units and uncertainty
Presenting and transforming data: tables and graphs
Interpreting results and drawing conclusions
Evaluating validity, improvements and extensions
Reflecting on the impacts of science (criterion D)
Science as a human endeavour: benefits and limitations
Applying science to real-life problems and issues
Implications of science: ethical, social, economic and environmental
Science in global contexts and global challenges
Scientific language and command terms
Documenting sources and academic honesty
Cells, metabolism and organisms
Cells and cell processes
Metabolism, enzymes and nutrition
Photosynthesis and respiration
Organisms: human body systems
Reproduction and development
DNA, genes and inheritance
Interactions, cycles and evolution
Interactions between organisms and ecosystems
Cycles: water, carbon and climate systems
Classification and biodiversity
Evolution and natural selection
Human impact on the environment
Earth's resources and sustainability
States and properties of matter
States of matter and changes of state
Mixtures, solutions and separation techniques
Atoms, elements and compounds
The periodic table and periodic trends
Atomic structure and bonding
Properties of materials and their uses
Chemical change and quantities
Chemical reactions and equations
Types of chemical reactions
Acids, bases and salts
Rates of reaction
Reversible reactions and equilibrium
Quantities: the mole and stoichiometry
Redox and electrochemistry
Introduction to organic chemistry
Forces, motion and energy
Forces and their effects
Describing motion: speed, velocity and acceleration
Newton's laws of motion
Energy transfer, work and conservation of energy
Heat, temperature and thermal energy transfer
Pressure, density and fluids
Waves, electricity and electromagnetism
Wave properties, light and sound
The electromagnetic spectrum
Electricity and circuits
Magnetism and electromagnetism
Radioactivity and nuclear change
Earth and space science
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