Across
- 3. the area along a transform boundary, such as San Andreas
- 4. type of volcano forming the Hawaiian islands
- 5. hot, melted rock in the mantle
- 7. rock type formed by compacted sediments, such as sandstone
- 9. rocks that are transformed by heat and pressure into a different rock
- 12. solid, dense layer of iron and nickel
- 15. land feature formed by water erosion, like the Columbia River
- 16. a naturally-occurring, solid, inorganic crystal
- 18. the shininess of a mineral
- 19. small rock fragments, like sand or clay
- 21. a force in rivers that builds up new land
- 25. type of weathering caused by acid rain
- 26. when one plate sinks under another plate
- 29. plastic-like layer of the Earth
- 30. the boundary formed when 2 plates slide past one another
- 31. Earth's layer that is liquid metal
- 33. the boundary formed when 2 plates move apart
- 35. when a mineral breaks apart smoothly
- 36. the process that moves sediments
Down
- 1. often occurs along transform boundaries
- 2. the thinnest layer of the Earth
- 6. divides Iceland into 2 plates
- 8. layer where magma lives
- 10. the heat energy that moves tectonic plates
- 11. forms when sand deposits at the mouth of a river
- 13. the boundary formed when 2 plates move towards one another
- 14. composed of minerals
- 17. the process that lays down sediments
- 18. the layer that is tectonic plates
- 20. formed by subduction of 2 oceanic plates, such as Marianas
- 22. forms the Cascade Mountain Range
- 23. term for the string of volcanoes that surround the Pacific plate
- 24. test used to determine the color of a mineral's powder
- 27. type of weathering caused by breaking rock into smaller pieces
- 28. a property of minerals determined by a scratch test
- 32. rock type formed by cooled lava
- 34. a river bend