Practice this topic
The bank includes 20 questions on scientific investigation: 2 easy, 12 medium, 6 hard.
Why this question type matters on the PreACT 9
The PreACT 9 Science section rewards pattern recognition over memorization. Scientific Investigation questions show up throughout the section, so steady practice on this skill — and reviewing why each wrong choice is wrong — moves your score more than cramming facts.
Other topics
Topics are aligned to 8th-grade Common Core standards. The actual CPS HSAT covers slightly more than these buckets but the core mix is the same.