7th grade Unit 7 RE-test 2025 Plate Tectonics

15. What is the creation of new crust at divergent oceanic boundaries called?

27. The Andes mountain range formed as a result of the subduction of the Nazca Plate and Antarctic Plate beneath the Sou

11. If you found a fossil of a tropical plant in a polar region, what might that show about Earth’s past climate?

13. What evidence is there for plate tectonics?

21. The crust beneath the ocean is more dense than the crust beneath the continents.

19. What island was created at a hot spot in the middle of a plate instead of being created at a plate boundary?

12. Antarctica is located at the South Pole, where the climate is extremely cold. Fossils of ectothermic (cold-blooded)

18. A supervolcano has had an eruption of a magnitude of at least an 8, which is very serious.

3. The presence of the same ______ on several continents supports the idea of continental drift.

1. The youngest rocks on the ocean floor are located ____.

7. The Appalachian mountain range in North America is similar in age and rock composition to mountain ranges in Britain

24. Earthquakes and volcanic eruptions generally occur near the center of plates.

22. What type of currents help move the tectonic plates?

28. The Mid-Atlantic Ridge was formed due to the separation of tectonic plates and extends for nearly 16,000 kilometers.

29. The East African rift valley formed where the Nubian Plate and Somalian Plate are pulling away from the Arabian Plat

10. Using the principle of superposition, which rock layer is the oldest?

33. What is the topic of this test?

4. The hypothesis that continents have moved slowly to their current locations is called ______.

25. New crust is constantly being formed on Earth’s surface.

16. What are the three main types of plate boundaries that exist?

32. The Himalayan mountain range formed as a result of the collision between the Indian Plate and the Eurasian plate.

23. What are huge pieces of lithosphere that slowly move on the asthenosphere and are rigid and solid.

30. The Aleutian Islands are formed from the subduction of the Pacific Plate beneath the North American Plate as the two

20. The collision between the Indian plate and the Eurasian plate caused the formation of the Himalayan mountain range.

9. Index fossils are widely distributed fossils of organisms that lived during only one short period of time. Their pres

8. When scientists proposed the theory of continental drift, there were many skeptics. Which discovery confirmed that th

17. Which boundary is characterized by the creation of volcanic mountain ranges?

2. The theory of continental drift includes the concept of Pangaea. What is Pangaea?

31. The San Andreas Fault is located on the boundary between the North American Plate and the Pacific Plate.  Many earth

5. Why was Wegener's theory not accepted?

14. What happens in a subduction zone?

6. According to the continental drift hypothesis, the presence of similar fossils in South America and Africa supports w

26. The Alpine Fault in New Zealand is located on the boundary between the Indo-Australian Plate and Pacific Plate.  Som