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Classifying Matter: A Physical Model Using Paper Clips

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Lynn Hogue

Center for Chemistry Education, Miami University, Middletown, OH, 45042

Bob Blake

Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409

Jerry L. Sarquis

Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056

J. Chem. Educ., 2006, 83 (9), p 1317

DOI: 10.1021/ed083p1317

Publication Date (Web): September 1, 2006

Abstract

This article provides a description of concrete models that represent different classifications of matter and directions for their use in the classroom. By using colored paper clips, students can represent pure substances, mixtures, elements, and compounds and then discuss their similarities and differences. This model is advantageous for the beginning student who would not know enough about the detailed composition of simple materials like milk, brass, sand, and air to classify them properly. Examples of isomers and allotropes are also created to introduce those concepts at an early stage and in an easy-to-understand format. This classroom activity would be especially suitable for a collaborative- or cooperative-learning environment, but could be adapted for individual learners.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Curriculum

Keywords (Pedagogy):

Analogies / Transfer

Keywords (Subject):

Molecular Properties / Structure

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Modeling Atoms Using Paperclips
Peter Nassiff and Wendy Czerwinski
Journal of Chemical Education2012 Article ASAP
- Modeling Atoms Using Paperclips
  Peter Nassiff and Wendy Czerwinski
  Journal of Chemical Education2012 Article ASAP
  Students often wonder how the first atomic theory came about and why only three scientific laws, conservation of mass, constant composition, and simple multiple proportions, led to this theory. In this inquiry-based activity students use scientific ...
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