1. Bell Work:
Silently look over composition book notes for Layers of the Earth & Plate Tectonics

2. Clear Your Desk!
Get out a sheet of Notebook Paper
You need ONE dry erase marker per group

3. Which layer is made of solid iron and nickel?
Inner core

4. Some mountains are formed by the collision of two tectonic plates
Some mountains are formed by the collision of two tectonic plates. Which of the diagrams below shows a situation that would result in the formation of such mountains?

5. The type of tectonic plate boundary that forms from a collision between two tectonic plates is a
Divergent plate boundary
Transform plate boundary
Convergent plate boundary
Normal plate boundary

6. The core is subdivided into the outer core which is ________ and the inner core which is ________.
Liquid; solid
Thin; thick
Thick; thin
Solid; liquid

7. The Mid Atlantic Ridge was formed by which boundary type?
Divergent

8. What is the state of matter of the mantle?
Viscous

9. What is the process (occurring in the mantle) that is responsible for moving the plates?
Convection currents

10. True or False: The lithosphere floats on top of the asthenosphere.

11. The outermost layer of earth is the ______.
crust

12. The gradual movement of plates is known as ____.
Plate tectonics

13. Who hypothesized that the continents were all joined together?
Alfred Wegener

14. What evidence to Alfred Wegener have to prove Pangaea existed?
Fossils

15. Name the two types of crust.
Continental and oceanic

16. Plates move because of which process that takes place in the mantle?
Convection currents

17. What are the three boundaries called?
Divergent, convergent, and transform

18. True or False: Divergent boundaries create new sea floor.

19. What is this a picture of?
Convection currents

20. Which boundary is illustrated?
Convergent

21. What’s the missing word
What’s the missing word? Convergent is to mountains as transform is to _______.
earthquakes