Interactive animated spreadsheets: Visualizing multivariable systems for discovery learning in general chemistry Scott A. Sinex Prince George’s Community College Presented at 20 th BCCE held at Indiana University on July 2008
Why interactive spreadsheets? Easy access for students and good tool for them to know Easy for instructors to develop – see Developer’s Guide to Excelets Developer’s Guide to Excelets Creates an engaging pedagogy
…more why? Addresses topics conceptually, while camouflaging mathematics –Students have to think: predict – test - analyze Allows for mathematical modeling and studying errors –More science process –Mathematics resurfaces!!!!
Are bond lengths constant?
How does the spectrum change with pH?
Boyle’s Law Simulator To appear in Spreadsheets in EducationSpreadsheets in Education
Enzyme Kinetics
Chemical Excelets Interactive concept exploration Supports Mathematicians' “Rule of Four” Mathematical modeling Error analysis Supports national standards in mathematics, sciences, and technology
What do student like most? For Enzyme Kinetics:
…like least? “Make it less voluminous with fewer questions. Less stress on brain and less time spent on it. ” “These activities require too much brain energy. However, I appreciate the challenge.” Stop doing this and just lecture
The “How to” resources... Developer's Guide to Excelets: Dynamic and Interactive Visualization with "Javaless" Applets or Interactive Excel Spreadsheets Tutorial, instructions, and a variety of interactive Excel spreadsheet examples Resource list for mathematics and science
More info... Scott Sinex – See course webpages and publications Thanks for coming today too!!! excelets