Russ Colson

Correlations between Teacher Preparation and Conceptual Understanding in the Earth Sciences part of Earth Educators Rendezvous:Previous Rendezvous:Rendezvous 2016:Program:Oral Sessions:Monday A
Teachers of earth science in Minnesota and North Dakota have a wide range of preparational backgrounds. To provide insight into factors influencing preparation, we have administered an essay test to inservice and ...

Igneous Cooling Rates, Crystal Size, and NOT Getting the 'Right' Experimental Results part of Earth Educators Rendezvous:Previous Rendezvous:Rendezvous 2016:Program:Teaching Demonstrations:Thursday B
The organic compound thymol, with a melting temperature of 48°C, can be used to give students an opportunity to experiment with the effects of cooling rate on crystal size. We examine how a cookbook lab, which ...