Download Science - cloudfront.net

Name _________________________________
Reading Worksheet
Date __________
2:
44
4
Period ____
3
13. When two plates collide and form a subduction zone as in Figure 3, an oceanic
plate always sinks into the asthenosphere. True or False? (Circle one.)
14. Besides convection currents, there are two other processes that aide in moving the
lithosphere – ridge push and slab pull. Explain how ridge push works. (Fig 4)
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
15. How is the process called slab pull like an engine pulling a long line of train cars?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
Tracking Tectonic Plate Motion (page 203)
16. Explain how GPS help scientists track the movement of plates?
____________________________________________________________________
____________________________________________________________________