Geologic History
Across
- 5. Sedimentary rock with fossils of sea creatures
- 6. Example of metamorphic rock created when limestone is recrystallized
- 8. Earth's crust is broken into these pieces
- 11. Type of plate movement causing earthquakes in California
- 12. Type of plate movement that causes folding
- 14. Mountains formed in North America during Paleozoic Era
- 16. Period of geologic time
- 17. Era when glaciers covered Canada
Down
- 1. German scientist who believed that continents were in constant motion
- 2. Type of igneous rock that forms the ocean crust
- 3. Plate movement occurring when continental crust and ocean crust converge
- 4. Huge mass of ice
- 6. Era of dinosaurs when swamps covered Alberta
- 7. Type of plate movement that creates new crust in the Atlantic
- 9. Type of igneous rock that forms the continental crust
- 10. Circular movement of gas/liquid caused by uneven heating and cooling
- 13. Meaning "all land"
- 15. Small particles of rock created by running water or wind