http://www.janetsplanet.com/#/homeWow this is one cool site for kids. You got a little scientist they are gonna love this. How exciting is it when they can figure things out. Janet does a wonderful job talking about gravity and micro gravity. The video explains the difference between the too. while telling us about 3 scientist that studied them. Galileo, Isaac Newton and Henry Cavendish. So what is Gravity and what is Micro gravity?