Description
Proportionality should be a central focus of the middle-grades science and mathematics curricula and concepts such as density can be introduced and taught in both disciplines, highlighting for students the connections between science and mathematics. This month's column describes how teachers can utilize the The Atlas of Science Literacy and other resources to help bridge the gap and strengthen connections between these two disciplines.
Ideas For Use
An introductory WebQuest, Density by Graphical Analysis, introduces the concepts of density, graphing, slope, and ultimately the analysis of an unknown, by using calculated volumes (see Resources). Figure 1 is a handout to accompany the WebQuest. Once students have completed the WebQuest, they can conduct the laboratory-based activity where they use graphical analyses to determine the density of pennies minted before 1983 and after 1982.