Unit 2: Science Rocks!
Across
- 1. What kind of plate boundary results in the formation of rift valleys & mid-ocean ridges as the plates separate?
- 4. What is made up of Earth’s crust & upper mantle?
- 6. What crustal feature do both convergent oceanic-oceanic & Convergent oceanic-continental boundaries form?
- 7. What crustal feature is created when tectonic plates slide past each other at transform boundaries?
- 10. South America and what other continent have a “Puzzle like Fit”?
- 12. What two types of convergent plate boundary causes the formation of folded mountains?
- 14. Which tectonic plate is made of the continent of Antarctica & its surrounding oceanic crust?
- 16. What movement do two continental plates do at the meeting point of a convergent boundary?
- 17. Which tectonic plate is composed of the continent South America & a large portion of the Atlantic Ocean?
- 23. What is the name of the tectonic plate that includes all of Europe & Asia as well as a large chunk of the Arctic Ocean?
- 25. What is the name of the “Plastic Layer” of Earth?
- 27. At transform boundaries what motion takes place?
- 28. Both divergent and convergent boundaries can lead to what type of landform?
- 29. What two kinds of convergent plate boundary results in trench subduction and the formation of Island Volcanos & Arcs?
- 30. Which types of plate boundary causes the formation of faults?
Down
- 2. Which tectonic plate contains the continent of North America & a portion of the Pacific Ocean?
- 3. At convergent continental-continental boundaries, what type of mountains form?
- 5. Which meteorologist first hypothesized the theory of plate tectonics in 1912?
- 8. What happens when continental and oceanic plates meet at a convergent boundary?
- 9. Was the theory accepted as a success or a failure during Wegner’s time by other scientists?
- 11. Which tectonic plate contains the continent of Africa & the surrounding crust of the Atlantic Ocean?
- 13. What major disaster may happen when tectonic plates slide past each other?
- 15. Oceanic-Continental _________ boundaries create volcano mountains such as The Andes Mountains.
- 18. What is another name for the deepest parts of the mantle?
- 19. What was the name of the supercontinent Wegner hypothesized?
- 20. Which tectonic plate combines the Australian & Indian Plates into one major plate?
- 21. Which scientist discovered sea floor spreading which supported the theory of plate tectonics?
- 22. What type of current keeps the plate tectonics moving according to the theory?
- 24. What is the name of the largest tectonic plate which underlies the Pacific Ocean?
- 26. What land feature is formed when tectonic plates move apart?