ScienceWiz Rocks Kit

Relate rocks to the history of the planet - it is written in the rocks! Connect the earth's crust to real rocks. Uses exciting eruptive experiments to foster comprehension. 18 activities, including molding and slicing open a model of Earth, spewing your own volcano, discovering which rocks will float, acid testing rocks, forming frossils and more! 56-page book, for ages 8 and up.