Learn about fossils with Scientist Rick Crosslin
Local science teacher Rick Crosslin, district scientist in [...]
Kid’s science: Fun with water molecules
Local science teacher, Rick Crosslin, demonstrates the fun [...]
Local science teacher shows how sediments create the layers of the earth
Local science teacher Rick Crosslin demonstrates how sediments [...]
Science teacher shows, explains how density works
Rick Crosslin, district scientist in residence for MSD [...]