Interest in “threshold concepts”─ ideas that, once mastered, transform a student's thinking
about the discipline─ has grown in recent years. Most chemistry educators relate to the idea …

This study aims to analyze students' mental models on the concept of chemical bonds using
a two-tier mental model diagnostic test. A test with the first tier asking the content and the …

In undergraduate science education, laboratory courses stand as essential cornerstones of
experiential learning. Chemistry laboratory courses offer students unique hands-on …

The research of threshold concept has been vastly developed in various discipline including
in the field of science during the last two decades. This causes the method to identify …

Abstract Conservation Science Education Online (CSEO) is a new online resource that
shares strategies for teaching science in art conservation and related cultural heritage fields …