Thousands of students use Sterling Test Prep study aids to achieve high test scores! Passing the Regents Physical Science exam is essential for graduating high school in New York. This book helps you develop and apply knowledge of physics to quickly choose the correct answer on the exam. Solving targeted practice questions builds your understanding of fundamental physics concepts and is a more effective strategy than merely memorizing terms. This book has 900 high-yield practice questions covering physics topics tested on Regents. Instructors with years of teaching and applied physics experience prepared these questions by analyzing the test content and developing practice material that builds your knowledge and skills crucial for success on the test. Our editorial team of standardized test experts reviewed and systematized the content to match the current New York State Education Department requirements. The detailed explanations describe why an answer is correct and - more important for your learning - why another attractive choice is wrong. They provide step-by-step solutions for quantitative questions and teach the scientific foundations and details of essential physics topics needed to answer conceptual test questions. Read the explanations carefully to understand how they apply to the question and learn important principles and the relationships between them. With the practice material contained in this book, you will significantly improve your score.