1.
The transfer of heat between materials that are touching
2.
The longest chain of underwater mountains
3.
The outmost layer of the Earth
5.
Pieces of Earth's crust and upper mantle constantly move
6.
The downward movement of a plate into the mantle
7.
The transfer of heat caused by the movement of fluids
8.
Plates collide or smash together
9.
Waves that spread through Earth's interior
10.
The third outmost layer of the Earth
11.
The innermost layer of the Earth
12.
A single landmass that existed 300 million years ago comprised of all of Earth's continents
13.
A process that continually adds new material to the ocean floor
14.
Weak spots around the crust where magma flows to the surface
15.
Plates side-slip past each other
16.
The transfer of energy through space with no direct contact between a heat source and an object
17.
The second outmost layer of the Earth
