Identify the density of the layers of the Earth by dragging a density to its
correct location. If it does not turn green, move the word around a little or
try another location. There are more choices than locations so not all
will be used.
2.5 gm/cm3
4 gm/cm3
5 gm/cm3
11 gm/cm3
13.5 gm/cm3
8
gm/cm3 17
gm/cm3 1.2
gm/cm3