Earth QuizTheLastDialogue EARTH QUIZ Test Your Knowledge Of The Earth With These Quizzes Earth Online Quiz for Kids and Adults #1. How deep inside Earth the inner Core lies? Almost 12,000 KM down Almost 6,000 KM down Almost 22,000 KM down Almost 5,000 KM down Work Harder #2. What is the circumference of Earth? 33000 KM 44000 KM 40000 KM 12000 KM Work Harder #3. What is the age of Earth? 6000 Years 4,500,000,000 Years 12,000 Years 4,000,000,000 Years 5,000,000,000 Years Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW