Vocabulary Review (Plate Tectonics, Earthquakes, Volcanos)
Across
- 2. magma that reaches the earth's surface
- 7. a plate boundary where plates slide horizontally
- 8. the instrument used to record earthquakes
- 10. a plate boundary where plates move toward each other
- 13. the fastest seismic wave that goes through everything
- 14. the name of the rock material that form during an eruption
- 15. a movement of the ground caused by plate movement
- 16. magma that is light and has feldspar and silica
- 18. the sudden return of rock to its normal shape
- 20. the point on the surface directly above the focus of an earthquake
- 23. areas along a fault where few earthquakes happen
- 24. a giant ocean wave that forms from an earthquake or eruption under water
Down
- 1. a large circular crater that forms when all the magma leaves a volcano
- 3. an area what is volcanically active but not near a plate boundary
- 4. the layer of rock underneath the lithosphere
- 5. the exact location of an earthquake inside the earth
- 6. a plate boundary where plates move away from each other
- 9. magma that is dark and has magnesium and iron
- 11. a vent/fissure where gases and magma come out from
- 12. the amount of damage caused by an earthquake
- 13. the theory that explains continent movement
- 17. the upper part of earth's crust
- 19. the secondary seismic wave that only goes through solids
- 21. the strength of an earthquake (ground motion)
- 22. liquid (melted) rock produced inside the earth
- 23. the name of the slowest seismic waves that cause the most damage