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Is Every Transparent Liquid Water?

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Muhamad Hugerat and Sobhi Basheer

The Arab College for Education in Israel-Haifa, P. O. Box 8349, Haifa 33145, Israel

J. Chem. Educ., 2001, 78 (8), p 1041

DOI: 10.1021/ed078p1041

Publication Date (Web): August 1, 2001

Section:

History, Education, and Documentation

Abstract

The accepted description for water in schools worldwide is a transparent and colorless liquid. Since students in lower grades (ages 8-13) often see warning signs "Do not drink this liquid--it is not water", we believe that presenting experiments that demonstrate the inadequacy of the accepted description for water would be beneficial for teachers and their students to practice in their schools. These activities provide simple experiments that introduce students to important characteristics of different compounds that have similar external appearance. The characteristics presented here include polarity, electric conductivity, color change due to presence of an acid-base indicator, and electrolysis.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Demonstrations

Keywords (Feature):

Chemistry for Kids

Keywords (Pedagogy):

Inquiry-Based / Discovery Learning

Keywords (Subject):

Acids / Bases

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

Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative Acid–Base Strength Chart
Brett Criswell , Holly M. Bevsek , Carole Bennett
Journal of Chemical Education2006 83 (8), 1167
- Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative Acid–Base Strength Chart
  Brett Criswell , Holly M. Bevsek , Carole Bennett
  Journal of Chemical Education2006 83 (8), 1167
  High-school chemistry curricula have often been maligned for being too long on theoryand too short on applied chemistry. Certainly, very little consideration is given in most curricula to the rich arena of descriptive chemistry, particularly helping ...
  Abstract | Hi-Res PDF | PDF w/ Links