BioNinja
ib.bioninja.com.auIB Biology notes for the current syllabus, topic by topic. Opens on A1.1 Water; the menu jumps to every topic.
⚠️ Highly addictiveGood evening. Build a quick pack and get going.
Hand-picked notes, videos, simulations and practice, sorted by subject and syllabus topic. You pick what goes in your study pack.
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Open them one by one and tick each one off.
Walk into the exam knowing you covered it.
Warning: these free sites are so good your grades may go up suddenly. Side effects include finishing homework early.
IB Biology notes for the current syllabus, topic by topic. Opens on A1.1 Water; the menu jumps to every topic.
⚠️ Highly addictiveFree IB Maths AA notes, exercises and exam practice from an experienced IB teacher.
🚨 Grade boosterIB Chemistry video tutorials that follow the syllabus closely.
🔥 Handle with careDetailed, trusted explanations of physical, inorganic and organic chemistry.
⚠️ May cause A gradesA free, beautifully written physics textbook online.
🧯 Too hot to ignoreVideos and practice from cells to ecology.
🚨 Exam panic reducerIB Chemistry and Physics videos, topic by topic.
⚠️ Dangerously clearHundreds of free maths exploration (IA) ideas from an IB teacher.
🔥 Teacher approvedDrag resources onto the plate (or tap them). Tick them off as you study. Packs stay saved in this browser.
Empty for now. Add 3 to 12 resources for one topic, then tick them off as you go.
Hand-picked free Physics resources: notes, videos, practice and more.
Every syllabus topic, with direct links to the right page on free sites. Tap a topic to open its links.
26 free links
A free, beautifully written physics textbook online.
IB Chemistry and Physics videos, topic by topic.
Plain-language physics tutorials, chapter by chapter.
A concept map of physics. Fast for looking up any formula or idea.
Videos and practice from kinematics to quantum.
Free video analysis tool. Track motion from your own videos for an IA.
Launch objects and test range, angle and air resistance.
Net force, friction and acceleration.
Momentum and elastic vs inelastic collisions.
Conservation of energy with a skater on a track.
Pressure, volume and temperature at the particle level.
Heat and cool particles and watch phase changes.
See how temperature changes a body's emission spectrum.
Model how greenhouse gases change Earth's energy balance.
Build circuits and measure current and potential difference.
Amplitude, frequency, damping and standing waves.
Two-source and double-slit interference with water, sound and light.
Refraction, Snell's law and total internal reflection.
Simple harmonic motion and the period of a pendulum.
Oscillations, spring constants and energy in SHM.
Orbits of planets and moons under gravity.
Electric field lines and equipotentials from point charges.
Induce an emf with a magnet and a coil.
Fire alpha particles at a nucleus and see why the model changed.
Where the world's energy comes from.
School physics site for the 2025 syllabus: video playlists, slides and quizzes for every topic A.1 to E.5.
MYP Science & Biology Teacher
I teach MYP Science and Biology. I built this hub so my students spend their time studying, not searching. Every link is free and checked by a teacher.