Warning! These super science riddles may cause excessive brain activity and lots of laughter! Challenge your friends, family and yourself with this collection of mind-bending puzzles. Science Riddles for Kids Legs! 2. The more you take, the more you leave behind. What am I? Footsteps. 4. What is harder to catch the more you run? […] The post Super Science Riddles appeared first on Science Experiments for Kids.