1
The kind of crust that lies beneath most of the ocean floor
2
The bottom part of the crust and the top part of the mantle form this
3
An instrument scientists use to record earthquake waves
4
One way scientists can learn about the mantle of and core is by _________ experiments
5
This layer of the core is liquid
6
This layer of the core is solid
7
Earth's thickest layer
8
One way scientists can learn about the layers of the Earth is by studying the mantle material that is pushed up through the _______ in the crust
9
Earth's outermost and thinnest layer
