Across
- 4. Will rise or float
- 6. Tectonic plates are made of this mechanical layer
- 11. Provided by the core, creates convection currents
- 12. Solid pieces of lithosphere that move slowly over time
- 13. Type of crust that is more dense and thinner
- 15. Scientist who documented evidence for continental drift
- 20. Currents created by rising and sinking of materials
- 21. The mechanical layer that moves tectonic plates
- 22. The compositional layer below the crust
- 23. Number of inches an average plate moves in a year
Down
- 1. Increases as you go towards Earth's center
- 2. Will sink
- 3. These fit together, for some continents, like pieces of a puzzle
- 5. Outermost compositional layer of the Earth
- 7. Describes the amount of movement energy molecules have
- 8. The year of the last big earthquake on Washington's coast
- 9. Geologists found similarities in their features across distant continents
- 10. Layer that is made of metal but is liquid
- 14. Type of crust that is less dense and thicker
- 16. The amount of mass in a certain space
- 17. Evidence of these were found in Africa, indicating a different climate in the past
- 18. Remains or impressions of living things, provide evidence of continental drift
- 19. The solid, innermost layer of Earth