In a series of fun and involving hands-on earth science experiments, kids learn why the atmosphere is thinner at the Earth's poles, how a lunar eclipse can indi

In a series of fun and involving hands-on earth science experiments, kids learn why the Earth bulges at the equator, demonstrate the movement of the Earth’s a

In a series of fun and involving hands-on earth science experiments, kids learn why the Earth bulges at the equator, demonstrate the movement of the Earth’s a

In a series of fun and involving hands-on earth science experiments, kids learn how crystals and metamorphic and sedimentary rocks form, why seismic waves move