Across
- 5. made up of mostly magma
- 6. a kind of black stone ware resembling
- 7. caused by the sudden movement of materials within the Earth, such as slip along a fault during an earthquake.
- 8. having the qualities of both a solid and a liquid
- 9. the fourth most abundant element, by mass, in the Earth's crust.
- 11. the result of differential heating
- 12. made up of mostly liquid iron and nickel
Down
- 1. the force by which a planet or other body draws objects toward its center.
- 2. made up of mostly solid iron and nickel
- 3. an average of all of the material on the planet
- 4. a very hard granular crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as building stone.
- 10. a natural element obtained from the core of the Earth
- 11. thinnest layer of the earth
