Physics QuizTheLastDialogue PHYSICS QUIZ Test Your Knowledge Of Physics With These Quizzes Physics Online Quiz for Kids and Adults #1. Who discovered electron? Neils Bohr Schrodinger J.J.Thomson Heisenberg Work Harder #2. Light year is a measurement unit for: Light Time Distance Brightness Work Harder #3. How much atoms are there in one human cell? One Billion 100 Million 10 Trillion 100 Trillion Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW