Ecosystems, pollution, energy, sustainability.
Real Test
Full-length test
80 questions, 90 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.
Exam blueprint
80 MCQ + 3 FRQ
Unit 1The Living World: Ecosystems6–8%
Unit 2The Living World: Biodiversity6–8%
Unit 3Populations10–15%
Unit 4Earth Systems and Resources10–15%
Unit 5Land and Water Use10–15%
Unit 6Energy Resources and Consumption10–15%
Unit 7Atmospheric Pollution7–10%
Unit 8Aquatic and Terrestrial Pollution7–10%
Unit 9Global Change15–20%
Source: College Board Course & Exam Descriptions, 2025–26.