Singapore syllabus
Every Singapore O-Level Biology skill maps to a topic in the syllabus, so sessions cover what the exams test.

Singapore O-Level Biology
Pioneered by Stanford AI researchers and learning scientists, Aristotle is the world's first voice-based AI tutor. Built for the Singapore O-Level Biology syllabus and exams.
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Fits your child's Singapore O-Level Biology class
Every Singapore O-Level Biology skill maps to a topic in the syllabus, so sessions cover what the exams test.
Share your teacher's syllabus, textbook, or pacing guide and sessions follow your child's actual class.
Aiming for a top grade? Aristotle plans review back from your child's target grade and exam date.
Exam prep
Aristotle tracks 121 Singapore O-Level Biology skills, finds the ones costing your child points, and plans review back from exam day.
Follows the syllabus, unit by unit.
Your child talks it through. Aristotle coaches from the step that went wrong.
Any time before the exam. No booking.
See what's mastered and what's left.
Features
Talk things through, work side by side, and come back next time to a tutor who remembers where you left off.
Ask questions out loud, hear explanations in Aristotle’s voice, and interrupt whenever you need to.
Aristotle draws steps, diagrams, and images to help you learn visually.
Get practice problems tailored to the exact topics you’re struggling with.
From middle-school math to AP exams to SAT/ACT prep. We also build custom plans matched to state standards and specific courses.
Revisit session summaries, session whiteboards, and uploads in one place.
Aristotle can read and navigate any PDFs and images with the learner. That includes textbooks with hundreds of pages!
We break all subjects down into granular skills, then track mistakes and mastery on each one. Parents can see the whole picture at a glance.
Aristotle remembers every session: what you’ve covered, where you got stuck, how you like things explained. It picks up right where you left off.
The curriculum
Aristotle is designed to always know what to teach at exactly the right time.
Sample curriculum
* Click a topic to see the skills inside
Cells and The Chemistry of Life
The Human Body - Maintaining Life
Living Together - Plants, Animals and Ecosystems
Continuity of Life
Singapore O-Level Biology tutoring curriculum121 skills across 4 units
Cells and The Chemistry of Life
Topics: Cell Structure and Organisation, Movement of Substances, Biological Molecules.
The Human Body - Maintaining Life
Topics: Nutrition in Humans, Transport in Humans, Respiration in Humans, Excretion in Humans, Homeostasis, Co-ordination and Response in Humans, Infectious Diseases in Humans.
Living Together - Plants, Animals and Ecosystems
Topics: Nutrition and Transport in Flowering Plants, Organisms and their Environment.
Continuity of Life
Topics: Molecular Genetics, Reproduction, Inheritance.
A few things you might wonder before getting started.
Aristotle's Singapore O-Level Biology course tracks 121 skills across 4 units, mapped to the Singapore syllabus, including Cells and The Chemistry of Life, The Human Body - Maintaining Life, and Living Together - Plants, Animals and Ecosystems. Every skill is linked to the skills it builds on, so the tutor always knows which parts of Singapore O-Level Biology your child has mastered and what to teach next.
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This could be you
For homework, supporting your child, or anything you’ve always wanted to know more about, Aristotle makes it easy for anyone to learn out loud.