The concept of density is difficult for the average seventh or eighth grade student to understand. Most of the current physical science textbooks, however, include it as one of the characteristic properties used to distinguish between various materials. The following demonstration has proven useful in promoting inquiry discussions when the concept of density is introduced.
Iowa Science Teachers Journal
© Copyright 1982 by the Iowa Academy of Science
Iowa Science Teachers Journal: Vol. 19
, Article 9.
Available at: https://scholarworks.uni.edu/istj/vol19/iss2/9