An curved arrow pointing right. Adding relatively minor factors like crystals, water, ice, and metal can drastically affect how lava moves, cools, and creates formations. When lava meets water ...

which means knowing how lava works and reacts to elements like water, metal, and ice is key. So on this episode of "Science Skills," we're going to look at two ways scientists study lava ...

Lava flows like these provide evidence of a rash of volcanic activity for at least 500,000 years leading up to the extinction of the dinosaurs. Rare Metal The metal iridium, which is similar to ...