Pullies at the Science Musuem

 For homeschooling we have to report on things we see. I saw a very interesting science experiment.  It was testing pullies.

    I learnt alot of science stuff. Did you know that if you have two heavy things of the same weight put one of them on one pully and the other on two pullies. Try lifting the 1 pully one, next try pulling the 2 pully one.it's hard to pull the 1 pully one because if you have two pullies the 2nd pullie is helping you lift the heavy thing.  Isn't that cool?

This picture is me pulling on both pullies.. The one with a few cogs is so much easier.