Charts, experiments, conflicting viewpoints. 40 questions in 35 minutes.
Real Test
Full-length test
40 questions, 35 min countdown. Same length and pacing as the real exam.
Warmup
Quick practice
Random questions across all topics. No timer, just reps.
Targeted
Practice by topic
Drill one skill until it stops scaring you.
Stuck? Ask the AI tutor.
Adaptive help that explains your mistakes step-by-step.