ACT
Sign in
Sign up
Purchase
Textbook
Practice exams
Support
How it works
Resources
Exam catalog
Textbook
Introduction
1. ACT Math
2. ACT English
3. ACT Reading
4. ACT Science
4.1 Must-know science strategies
4.2 Types of passages
4.3 Types of questions
4.3.1 Coupled answer questions
4.3.2 New claim questions
4.3.3 Figure questions
4.3.4 Trend questions
4.3.5 Inference questions
4.3.6 Prior knowledge questions
5. ACT Writing
Wrapping up
4.3.6 Prior knowledge questions