1. Convergent & Transform Boundaries

2. Review convergent, divergent, transform oceanic continental
What are the three types of boundaries? _____________________________________
A spreading ridge occurs where two ____________ plates diverge, while a rift valley occurs where two ____________ plates diverge.
convergent, divergent, transform
oceanic
continental

3. Review ridge push Young closer old thin closer thick farther
When new rock pushes old rock, it is called ________________.
Fill in the blanks with old, young, closer, farther, thick, and thin.
_______ rocks are found _________ to a diverging boundary while _______ rocks are found farther from a diverging boundary. A_________ sediment layer forms ________ to a diverging boundary and a _________ sediment layer forms _________ from a diverging boundary.
Young
closer
old
thin
closer
thick
farther

4. A converging boundary occurs where two tectonic plates move __________ each other and ___________. What happens depends on whether the plates involved are continental or oceanic.
towards
collide

5. densities
earthquakes
mountain ranges

8. cooler
dense
warmer
subduction zone
slab pull
trench

10. Mariana’s Trench

14. cooler
dense
warmer
subduction zone
slab pull
trench
composite volcanoes
volcanic island arc

18. basalt
volcanic belt

24. slide horizontally
ocean ridges
fractures
faults