01Building next
Survey of the Natural Sciences
A breadth-first science section with Biology, General Chemistry, and Organic Chemistry on one clock.
100 items90 min
Free, independent DAT preparation
Your route to
test day.
DAT TRAIN is being built as a complete, evidence-led DAT study system—free for every future dentist. The PAT lab is live now; the science route is next.
280 exam items5:15 total administration$0 now and always
TEST-DAY ROUTE2026 blueprint
- 01Natural Sciences100 items · 90 minNext
- 02Perceptual Ability90 items · 60 minLive
- —Optional break30 minutes
- 03Reading50 items · 60 min
- 04Quantitative40 items · 45 min
Score reporting200–600
The complete exam
One platform. Four tests.
Every section is mapped to the current ADA scope before content enters the bank.
02Live now
Perceptual Ability Test
Six spatial-reasoning families, delivered in fixed blocks at demanding average pacing.
90 items60 min
03Planned
Reading Comprehension
Three scientific passages testing comprehension, analysis, evidence location, and synthesis.
50 items60 min
04Planned
Quantitative Reasoning
Mathematical and applied problems with data analysis, comparison, probability, and statistics.
40 items45 min
Phase 02
The science route starts with breadth, then retrieval.
Each subject will connect a concise concept map to worked examples, untimed retrieval, mixed timed sets, and source-linked remediation.
Biology40 questions
Cell & molecular biologyDiversity of lifeSystemsGenetics, genomics & epigeneticsEvolution & ecology
General Chemistry30 questions
StoichiometryStates & solutionsAcid-base & equilibriumThermodynamics & kineticsRedoxAtomic structureLaboratory & data
Organic Chemistry30 questions
MechanismsChemical synthesisAcid-base chemistryChemical & physical propertiesStructural evaluation
Learning architecture
Practice that changes what you know.
Not an endless content feed: every mode has a distinct learning job.
Retrieve
Answer before revealing. Every lesson should quickly turn into an attempt, not another pass through notes.
Space
Return to weak objectives over expanding intervals instead of concentrating all repetitions in one sitting.
Interleave
Mix nearby problem types after initial instruction so learners practice choosing a method—not just repeating it.
Explain
Review why the correct option works, why every distractor fails, and what misconception produced the miss.
LEARN
→Short concept map + worked example
RETRIEVE
→Untimed, explanation-rich practice
MIX
→Interleaved objective sets
SIMULATE
Exam order, timing, and review
Choose your session
Practice with a purpose.
Start small, build fluency, then put the full hour on the clock.
The PAT sequence
Six ways of seeing.
Drill one category at a time. The order below matches the standard PAT sequence.
New free field guide
Learn the method
behind every PAT family.
Read the official directions in plain language, follow a repeatable solving routine, avoid common traps, and build an evidence-based plan for the full DAT.
The resource bank
1,080 indexed problems.
Unlimited shuffled sessions.
Browse every generated problem by skill, reveal its keyed explanation, or let the session builder draw a fresh randomized mix.
Built in public
The route ahead.
Quality gates come before volume. “Published” will mean reviewed, sourced, accessible, and technically validated.
In progress
PAT production hardening
Stable randomized answers, shared test state, solver-backed geometry, procedural explanations, device-local error history, 10,000-seed audits, and a formal expert-review gate.
Next
Biology learning route
Official-domain curriculum map, concise lessons, worked examples, source-linked explanations, recall sets, and spaced mixed review.
Queued
General + Organic Chemistry
Equation-safe and structure-safe items, mechanism reasoning, units and significant-figure checks, plus the updated 2026 organic blueprint.
Queued
Quantitative + Reading
Verified numeric answer generation, calculator-aware pacing, licensed science passages, annotations, and evidence-based review.
Planned
Full DAT readiness
Full-length forms, adaptive day plans, durable progress, error logs, calibrated difficulty, accessibility review, and expert content review.
Free reference library
Go deeper without a paywall.
DAT TRAIN explanations will link to trusted free instruction when a concept needs more than a paragraph.
OPEN RESOURCE ↗
Official 2026 DAT guide
The source of truth for scope, timing, policies, and scoring.
OPEN RESOURCE ↗Khan Academy Biology
Free refreshers for cell biology, genetics, systems, evolution, and ecology.
OPEN RESOURCE ↗Khan Academy AP Chemistry
Free concept instruction for atomic structure, reactions, kinetics, thermodynamics, and equilibrium.
OPEN RESOURCE ↗Khan Academy Organic Chemistry
Free instruction in bonding, stereochemistry, mechanisms, and functional-group reactions.
OPEN RESOURCE ↗Khan Academy Math
Free algebra, probability, statistics, and quantitative foundations.
OPEN RESOURCE ↗OpenStax Chemistry 2e
A free, peer-reviewed general chemistry reference.
OPEN RESOURCE ↗OpenStax Organic Chemistry
A free, peer-reviewed organic chemistry text by John McMurry.
Built to level the field
Exam-shaped.
Student-first.
DAT TRAIN separates learning mode from test-day mode: explanations and source links when you are building knowledge; strict timing and each PAT family’s official four- or five-choice rhythm when you are rehearsing performance.
The PAT bank is original and procedurally generated. Stable answer identities survive every shuffle; solver-backed geometry and property audits verify the keyed relationships. Difficulty calibration by a qualified PAT reviewer remains an explicit publication gate.
DAT TRAIN is independent and is not affiliated with or endorsed by the American Dental Association, Prometric, Khan Academy, or OpenStax. Live DAT questions are confidential and will never be solicited or reproduced.