The Earth, according to some scientists, is still a very young planet - just about 4+ billion years old. Yes, we know what you might be thinking...! But, the history of our amazing planet Earth is quite fascinating and you'll be amazed at how life forms evolved since its birth.
The folks at Curiosity.com have "captured" this amazing history and explained it with context of a football field. Not only is it amusing, it's indeed interesting! You - and your kids - would love it!