This week experiment can be found through this link http://www.kids-science-experiments.com/spinningball.html. It will help you to see how you can defy the laws of gravity.
First talk about forces, especially gravity and centripital force, as these are the two forces you will be working with. You could also read about forces from a book from the library. Then get the ball and jar and put the ball inside the upside down jar and slide it to the edge of the table, which way does the ball fall? Ask, what force is at work here? Next, follow the directions for the experiment found in the link. What happens to the ball now? Ask, what force is at work this time? Hope you enjoy!
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