Across
- 5. Rock that is changed by heat and pressure
- 7. Magma that reaches the Earth's surface
- 10. The core is made mostly of this metal
- 11. Outer layer of the Earth is the_____
- 13. Plate boundaries that are moving away from each other
- 14. Plate boundaries that are moving toward each other
- 16. The color of a mineral in powder form.
- 19. Movement on the ocean floor
- 21. Scientist that developed the theory of continental drift
- 23. The bending or folding of rock
- 25. The transfer of warm and cool liquids in a circular current
- 26. Igneous rock cooled quickly outside the Earth
- 27. The core that is liquid
- 28. When one plate moves down underneath another plate
- 30. The core that is solid
Down
- 1. The hardness scale to test minerals
- 2. The supercontinent that was one landmass
- 3. The resistance to being scratched
- 4. Tracks are an example of a _______ fossil
- 6. Igneous rock cooled inside the Earth
- 7. The way a mineral reflcts light
- 8. Melted rock under the Earth
- 9. Naturally formed inorganic solid with crystal structure
- 12. made of mixtures of minerals
- 15. Layer under the crust is the______
- 17. Crust is divided into sections called_______
- 18. remains, or physical evidence of a once living thing
- 20. Rock that is formed from layers of sediment
- 22. Seismographs detect this movement
- 24. Sedimentary rock contains fossils
- 29. Plate boundaries that are sliding past each other