Rocks

Match it! Select the correct answer from the pull down...Good luck!

This is the solid layer of the earth, made up of iron and nickel.

What is the thickest layer of the earth?

This is the fluid layer of the earth, where convection currents occur.

this is the thinnest layer on the earth, with the greatest variations in depth.

This layer of soil tends to be light brown in color and is less rich in minerals and humus.

This is the layer of soil contains the most minerals and humus.

This layer of soil is thick, rocky layer that makes up the crust.

This is the hottest layer of the earth.