EARTH QUIZ Test Your Knowledge Of The Earth With These Quizzes Earth Online Quiz for Kids and Adults #1. Which one of these layers of Earth’s atmosphere is closest to Earth? Mesosphere Stratosphere Thermosphere Troposphere Exosphere Work Harder #2. 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 #3. What is the name of the inner most layer of Earth? Mantle Core Crust Mesosphere Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW
