Fun with Scientist Rick Crosslin: Understanding our solar system
Rick Crosslin, district scientist in residence for MSD [...]
Rick Crosslin, district scientist in residence for MSD [...]
Local science teacher Rick Crosslin, district scientist in [...]
Local science teacher, Rick Crosslin, demonstrates the fun [...]
Local science teacher Rick Crosslin demonstrates how sediments [...]
Rick Crosslin, district scientist in residence for MSD [...]