Across
- 3. movement of tectonic plates into eachother (two types)
- 6. the radiation that is emanated from the surface of the sun
- 8. slow motions in the mantle of earth move large segments of crust
- 9. igneous/sedimentary rock that heat has chemically altered
- 11. when two plates come together, one plate is forced under the other
- 12. a unit of measurement that is composed of one thousand meters
- 13. waves spread through the interior of earth from earthquakes/explosions
- 14. the magnetic field of earth that traps incoming atomic particles
- 18. igneous rock that makes up the continental crust
- 19. igneous rock that makes up most of the oceanic crust
Down
- 1. the separation of Earth into layers of different densities
- 2. rock that is formed from cooling lava
- 4. the outer layer of the earth
- 5. movement of tectonic plates away from eachother
- 7. regions of high energy ions in the earth’s magnetosphere
- 10. upward flow of warmer materials and sinking of cool material
- 13. rock formed from sedimented igneous rock or organic shells
- 15. a machine that detects seismic waves
- 16. the effect of a wave bending (especially light)
- 17. the study of earth and how it has changed over time