AS Study Guide 2026
Everything you need to pass the AS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 AS Exam Format at a Glance
📚 AS Topics to Study (21)
✍️ Sample AS Questions & Answers
1. What is the main claim of the DSM-5 (Diagnostic and Statistical Manual, 5th edition)?
The DSM-5 is the standard classification system used by mental health professionals in the U.S. to diagnose mental disorders based on symptom criteria.
2. Which type of wave requires a medium to travel through?
Sound waves are mechanical waves that require a medium (solid, liquid, or gas) to propagate.
3. What does Newton's second law of motion state?
Newton's second law states F = ma, meaning the net force on an object equals its mass multiplied by its acceleration.
4. According to BLS, which higher level business jobs require at least a bachelor's degree?
According to the Bureau of Labor Statistics (BLS), many high-growth and leadership positions in business, particularly those requiring advanced analytical, strategic, or managerial responsibilities, typically require at least a bachelor's degree. While associate degrees can lead to entry-level roles, higher-level and rapidly expanding opportunities often demand a more extensive educational background.
5. Which cellular structure contains the cell's genetic material and controls cellular activities?
The nucleus houses the cell's DNA and directs cellular activities by controlling gene expression.
6. What is the VSEPR theory used to predict?
VSEPR (Valence Shell Electron Pair Repulsion) theory predicts the 3D shape of molecules by minimizing repulsion between electron pairs around the central atom.