Data representation, research summaries, and conflicting viewpoints. Optional on the Enhanced ACT: 40 questions in 40 minutes; feeds the STEM score, not the composite.
Session settings
Locked once you start.Feedback
Text size
You can still adjust zoom mid-test with A− / A+.
Real Test
Full-length test
40 questions, 40 min countdown. Same length and pacing as the real exam.
Best on desktop - a computer is recommended for full-length tests.
Warmup
Quick practice
Random questions across all topics. Pick a difficulty to dial up the challenge.
Targeted
Practice by topic
Drill one skill until it stops scaring you.
Smart Mix
AI smart quiz
Pulls real questions from the ACT Science bank by topic + difficulty, and tops up with fresh AI when the bank runs short.
AI · Fresh
Endless AI questions
Brand-new questions written by AI every time — no repeats. Great when you've drilled the bank dry.
Stuck? Ask the AI tutor.
Adaptive help that explains your mistakes step-by-step.