Across
- 4. What does the movement of the mantle move like, as the plates slide around on top of the layer?
- 5. What type of plate boundary moves alongside each other?
- 8. What happens when plates move?
- 11. What type of rock do the Earth's plates ride on?
- 12. What kind of plate boundary forms mountains?
- 14. What type of plates crust is less dense but thicker?
- 15. What is the name of the ancient supercontinent formed 28 Million Years ago?
Down
- 1. Where does convection occur, as hot, less dense material rises and cold material sinks?
- 2. What happens when plates move convergence?
- 3. When two continental plates move toward each other and slowly collide and crumble, what does it form?
- 6. When a plate moves over a fixed hotspot, what type of geologic features/events create a chain?
- 7. As a plate with ocean floor rock material is on the top edge it subducts beneath another plate, which makes it what?
- 9. What type of plate crusts is denser and thinner?
- 10. Conservation of matter can either be created or what to cause changes with other matter?
- 13. Rock material that makes up Earth's plates, comes from what rock material?