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Page Keeley, chemistry, NGSS, stem, Argument Driven Inquiry
...middle school students equate
density with one object simply being “heavi-
er” than another. Even if students are able to
accurately calculate the density of an object, A
that doesn’t necessarily me...
naive conceptions about density
Deborah Herrington and Pamela Scott
Enter code: TST041101
floating bowling bal...
... a person sinks depends on the density of the hetero-
geneous mixture. Students can do density activities to find
out if a person stepping in quicksand will sink deep
enough for slow suffocation.
... students more
practice making density calculations, I provide them with several
mystery samples of liquids, pipettes, graduated cylinders, and a pan
balance and ask them to determine the density of e...
Lab 13. Density and the Periodic Table: What Are the Densities of Germanium and
At the time Dmitri Mendeleev proposed his periodic table for the classification of the elemen...
Students will estimate the density of cooking oil by comparing it to water.
Students will see the connection among mass, volume, and density by comparing
the density of two substances wit...
...ectedly float to the top.
Ice Is Nice and Sugar Is Sweet
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their confusion about density. From currents in the ocean, to understanding the forma-
tion of wind and weather phenomena, density (or mass per unit volume of a substance)
is a very fundament...
of the Concept Density
ensity is a derived quantity that can be
confusing for middle school students. In
my sixth grade class, I used a graphical
depiction of m...