This high school resource explores the origins of the universe, including the Big Bang, cosmic expansion, and how particle physics helps scientists study the earliest moments of time. Best for: Physics, Astronomy, Earth Science, STEM Includes: • 20 discussion and comprehension questions • Analytical essay prompt • Structured essay with paragraph guidance and sentence starters • Classroom debate activity • Critical thinking discussion questions Grades: 9–12, College, Adult Ed | Print-and-go