According to the ESRT, which zone of earth has the greatest density?

Question

I am reviewing a test with my son and have looked at the Earth Science reference tables to compare the different densities listed. He chose the inner core as being the most dense (12.7-13.0g/cm 3) and it was marked wrong. The other choices are the crust which totals at 5.7 the mantle (3.3-5.5) and the outer core (9.9 -12.1) There is no density listed for the plastic mantle that I can see. Am I reading the reference tables incorrectly? Thanks for any help.

Answer 1

The inner core is the most dense.  If this was marked wrong, the grading is in error.

Answer 2

agreed, the inner core is most dense

5.7 seems to high for the crust though