 Welcome back to Kids Fun Science. My name is Ken and today's experiment is the magic marbles. As always, adult supervision is required. What you need for this experiment is two rulers, tape, and marbles. To set up this experiment, you're going to take two rulers down on a table about a half inch apart, 1.5 centimeters, and then you're going to place the marbles about an inch apart. Now gently hit the first marble and it'll hit to the second marble. What happened was the marble that was rolling stops and the one that was still now rolls. The force of the rolling marble transfers to the other. It stops the first and sets the second one in motion. Inertia is the way the object sets another object in motion. An object at rest tends to stay at rest. An object that is moving tends to keep moving in the same direction. An object that stays in rest or keeps moving unless there's an internal force that acts upon it. Here we're seeing again in slow motion that the first marble that was rolling comes in contact with the second marble and it comes to a stop and the second marble continues to move. Now I'm putting two marbles on the stick so they touch and the third marble about a centimeter or an inch away and gently tap it again and the single marble into the other two. As you notice the rolling marble stops and the single one stays in the middle and the third one rolls. Which really cool here is the momentum went through the second marble into the third. So you could try other combinations by adding three, four marbles and see how many times it goes to see if all the middle marbles or the second marble here in this case like here actually stays still and only transfers the momentum from the first to the second where the second stays still and then moves the third one which is pretty cool. Let me know in the comments below how many marbles you were able to use and what the results were. I'd like to hear that. I hope you enjoyed this video. Remember to click thumbs up and to subscribe as we do a new video every day. Thanks for watching.