Across
- 2. the layer of hot, solid material between Earth’s crust and core
- 3. vibrations that travel through Earth carrying the energy released during an earthquake
- 4. a usually light-colored igneous rock that is found in continental crust
- 6. a measure of how much mass there is in a volume of a substance
- 8. the name of the single landmass that broke apart 2 million years ago and gave rise to today's continents
- 10. heat transfer within a material or between material that are touching
- 11. the hypothesis that the continents slowly move across Earth's surface
- 12. transfer of heat by the movement of currents within a fluid
- 13. a layer of molten iron and nickel that surrounds the inner core of Earth
- 16. the force exerted on a surface divided by the area over which the force is exerted
- 17. a rigid layer made up of the uppermost part of the mantle and the crust
Down
- 1. the flow that transfers heat within a fluid
- 5. the transfer of energy through space
- 7. a dense sphere of solid iron and nickel at the center of Earth
- 9. the soft layer of the mantle on which the lithosphere floats
- 14. a dark, dense, igneous rock with a fine texture, found in oceanic crust
- 15. the layer of rock that forms Earth’s outer surface