NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20200
Since 20190
Since 2016 (last 5 years)0
Since 2011 (last 10 years)1
Since 2001 (last 20 years)1
Source
Teaching Science1
Author
Tasker, Roy1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Tasker, Roy – Teaching Science, 2014
Why is chemistry so difficult? A seminal paper by Johnstone (1982) offered an explanation for why science in general, and chemistry in particular, is so difficult to learn. He proposed that an expert in chemistry thinks at three levels; the macro (referred to as the observational level in this article), the sub-micro (referred to as the molecular…
Descriptors: Chemistry, Visualization, Molecular Structure, Theory Practice Relationship