Earth Layer Crosswords

1. the boundary between the crust and the mantle in the earth.
4. the region of the earth's atmosphere above the stratosphere and below the thermosphere
7. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
9. The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core.
10. relating to the structure of the earth's crust and the large-scale processes which take place within it.
13. the central, innermost, or most essential part of anything. Also called magnetic core .
15. the planet on which we live; the world.
16. a covering of ice over a large area, especially on the polar region of a planet.
17. the rigid outer part of the earth, consisting of the crust and upper mantle.

2. liquid, iron-nickel layer of the Earth between the solid inner core and lower mantle.
3. any of the world's main continuous expanses of land
5. a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
6. a very hard, granular, crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone.
8. all the waters on the earth's surface
11. an external coating or covering. In geology, it is the term given to the outermost layer of our planet earth or that of any other planet.
12. the envelope of gases surrounding the earth or another planet.
14. a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite.