Plate Tectonics

3. fault a fault along a plate boundary that moves horizontally
6. a stress that pushes rocks together
8. where convection currents occurs
9. when tectonics plates move toward each other and collide
10. when 2 tectonics plates move away from each other
12. what it is called when blocks move horizontally
14. faults the fault that occurs when a hanging wall moves up
15. when 2 plates collide and 1 plate sinks into the mantle, under the other plate
17. the result of plate tectonics
19. a fracture or zone of fractures between 2 blocks of rock

1. the border between 2 plates
2. the rigid outer part of the Earth
4. tectonics the Earth's surface is cracked into large pieces
5. a stress which stretches rock in 2 opposite directions
6. currents the movement of tectonics plates, made by heat and pressure
7. a stress that occurs when forces are parallel but opposite
11. what is formed when cracks in the Earth is made and magma can rise through
13. the line formed by the intersection of a horizontal plane and inclined surface
16. what plate tectonics are made of
18. valley a low region that forms where plates move apart