Which structural zones exist within the core compositional zone?

The Earth's structural zones (S-Zones) are the lithosphere, asthenosphere, mesosphere, inner core, and outer core.

C-Zone                 S-Zone                  What are they like?

Core                      Inner Core           Found about 2,900 kilometers below

the Earth's surface. It is about 2,300 kilometers thick

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error