Extra credit crossword puzzle

Vibrations that travel through earth carrying the energy released during an earthquake
The transfer of energy through space
The transfer of heat within a material or between materials that are touching
The transfer of heat by movement of a fluid
The layer of rock that forms earths earths outer surface
The layer of hot, solid material between earths crust and core
A layer of molten iron and nickel that surround the inner core
A dense sphere of solid iron and nickel at the center of earth
A trace of ancient organism that has been preserved in rock
A break in earths crust where masses of rock slip past each other
A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and Oceanic crust
The theory that pieces of earths lithosphere are in constant motion, driven by convection currents in the mantle
A plate boundary where two plates move toward each other