What the test covers
Every ACT Science skill maps to the content the test covers, so practice time goes where the points are.

ACT Science
Pioneered by Stanford AI researchers and learning scientists, Aristotle is the world's first voice-based AI tutor. Built for ACT Science prep.
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Built for ACT Science
Every ACT Science skill maps to the content the test covers, so practice time goes where the points are.
Aristotle finds what your child already knows and starts there, instead of drilling material they have mastered.
Aristotle builds the plan backwards from test day and your child's target score.
Test prep
Aristotle tracks 37 ACT Science skills, finds the ones costing your child points, and plans review back from test day.
Follows what the test covers.
Your child talks it through. Aristotle coaches from the step that went wrong.
Any time before test day. 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
Interpretation of Data
Scientific Investigation
Evaluating Scientific Arguments and Models with Evidence
ACT Science tutoring curriculum37 skills across 3 units
Interpretation of Data
Read scientific displays, connect measurements, and use observed patterns to estimate or revise results. Topics: Locating and Understanding, Inferring and Translating, Extending and Reevaluating.
Scientific Investigation
Understand experimental procedures and design fair investigations, follow-up trials, and tests of engineered solutions. Topics: Locating and Comparing, Designing and Implementing, Extending and Implementing, Engineering and Design.
Evaluating Scientific Arguments and Models with Evidence
Connect claims to evidence, compare explanations, and evaluate or improve scientific models and engineered solutions. Topics: Inferences and Results, Models: Understanding and Comparing, Models: Evaluating and Extending, Engineering and Design Thinking.
A few things you might wonder before getting started.
Aristotle's ACT Science course tracks 37 skills across 3 units, including Interpretation of Data, Scientific Investigation, and Evaluating Scientific Arguments and Models with Evidence. Every skill is linked to the skills it builds on, so the tutor always knows which parts of ACT Science 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.