Seismic Waves and Earth's Layers Vocab

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Across
  1. 1. has properties of a liquid and a solid
  2. 4. the area in the crust where the earthquake started
  3. 5. what happens when waves hit a new layer (bending)
  4. 8. travel as a shear wave (side to side)
  5. 12. the area of earth's mantle where convection currents move the tectonic plates
  6. 14. these travel through the earth
  7. 16. the source of many seismic waves that we measure
  8. 19. the hottest layer of the earth
  9. 20. travel as a push or pull, like dominoes hitting each other
  10. 21. energy that travels through the earth
Down
  1. 2. these cannot travel through the earth, only on the surface
  2. 3. the property that allows different layers to form
  3. 6. this layer is the only truly liquid layer
  4. 7. If seismic waves had school pictures, they would be these
  5. 9. the layer we probably know most about
  6. 10. S-waves cannot travel through this
  7. 11. areas on earth that don't receive seismic waves from an earthquake
  8. 13. this happens when waves enter a new substance (not bending)
  9. 15. it's a machine, and it reads seismic waves
  10. 17. the area on the crust right above an earthquake
  11. 18. Who discovered the boundary between the crust and mantle?