Ever wondered if you still have the smarts you had in 5th grade? This science quiz is your chance to find out! Packed with questions that challenge your knowledge of biology, astronomy, physics, and earth science, this quiz tests whether you can keep up with a 5th grader’s curiosity and intellect. From the workings of the human body to the mysteries of the cosmos, these questions cover the fundamentals that every kid learns—but adults often forget. Don’t be fooled by the grade level; only 3% of grown-ups score above 80% on this brain-busting challenge! Whether you’re a science buff or just looking to flex your mental muscles, dive in and see if you’ve got what it takes to ace this quiz. No one’s perfect score has been recorded yet—will you be the first to claim the title of ultimate 5th grade science champ?