1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images If you had a reputation for being a know-it-all as a kid, you’re likely now the person with a trusted list of trivia ...