The Rock Cycle and Earth's history crossword
Across
- 2. Hot fluid, or semifluid material which when cooled creates forms of igneous rock.
- 5. The small fragments of other rocks created by weathering and erosion.
- 7. _ _ _ _ _ _ _ _ split into all continents and land except Eurasia and North America.
- 11. 2nd stage of the rock cycle. It is created by the deposition, compaction, and cementation of sediments.
- 12. The process which breaks down rocks and other substances on Earth’s surface.
- 14. What is Greek for, “All Sea” and surrounded Pangea about 250 million years ago?
- 15. Contains all tectonic plates. Located underneath the crust of the Earth.
- 17. The rock formed by the cooling of magma?
- 19. The layer of the Earth that all terrestrial life known lives on. This is the outermost layer of the Earth.
- 20. The movement of soil or rock from one place to another.
Down
- 1. The innermost layer of the Earth. Located underneath the outer core.
- 3. Who was the first person to suggest that all continents might have actually been connected?
- 4. The last rock of the rock cycle. It is created by heat and pressure.
- 6. The largest layer of the Earth made up of oxygen and molten silicate rocks. Located above the Outer Core.
- 8. The most liquid layer of the Earth. Contains liquid iron and nickel.
- 9. The semi-liquid layer of the Earth’s upper mantle.
- 10. One of the oldest theories of how geologists thought continents moved over time.
- 13. What landform existed 250 million years ago and is Greek for, “All Earth”.
- 16. _ _ _ _ _ _ _ _ broke into Eurasia and North America.
- 18. _ _ _ _ _ _ _ _ _ is what happens to metamorphic rocks and is the process by which rock turns into magma.