Question

A student is making a model of the layers of Earth. She is using materials with different densities to represent the layers. The table shows the materials she has chosen for two layers.

How should the density of the material the student uses for the mantle compare to the density of the materials chosen for the other layers?

A. It should be more dense than foam.


B. It should be more dense than glass.


C. It should be the same density as foam.


D. It should be the same density as glass.

Answer 1

Answer: A. It should be more dense than foam.

Explanation: As the core is made out of glass, glass is seen to be the most dense material as the core is in the center of the Earth. The crust is above the mantle and is made out of foam. The mantle sits beneath the crust hence the density of the mantle should be more dense than foam.