Master ACT Science with adaptive AI
IRT-powered question selection adapts to your ability in real time. Practice biology, chemistry, physics, and earth science with instant score estimates.
Everything you need to ace ACT Science
Adaptive Test
25–40 questions that adapt to your ability in real time. The engine picks the optimal difficulty for maximum learning.
Full ACT Simulation
Simulate a complete ACT Science section with 40 questions across 6–7 passages. Timed and structured like the real exam.
Topic Practice
Quick 10–15 question sessions focused on a specific science topic or reasoning skill. Perfect for daily drills.
Score Estimation
Get your estimated ACT Science score (1–36) in real time. See exactly where you stand after every test.
ProDetailed Explanations
Review step-by-step explanations for every question after answering. Understand the science behind each answer.
ProPerformance Dashboard
Track your ACT & SAT progress in a unified dashboard. See topic breakdowns, score trends, and weak areas.
Master every reasoning skill
Your path to a higher score
Take A Test
Start with an adaptive test to calibrate your ability level.
Adapt & Learn
The engine adjusts difficulty based on your answers and speed.
Review Results
Get your estimated score with detailed topic breakdowns.
Target Weaknesses
Use practice mode to drill specific topics and reasoning skills.
Start your ACT prep today
700+ adaptive questions across biology, chemistry, physics, and earth science. Get your estimated score instantly.
Get Started — It's Free →