Plate Tectonics Review

1. __________ is the theory that states that pieces of Earth’s lithosphere are in constant, slow motion.

• Plate Tectonics

• Continental Drift

• Seafloor Spreading

• Volcanic Activity

When two pieces of continental crust collide at a convergent boundary, __________ are formed.

• mountains

• valleys

• rivers

• deserts

When continental crust and oceanic crust collide, __________ occurs.

• Subduction

• Erosion

• Sedimentation

• Metamorphism

4. Volcanoes are most likely found along __________ and where one plate is __________.

• subduction zones, sliding under another

• mid-ocean ridges, moving away from another

• continental shelves, colliding with another

• transform boundaries, sliding past another

The mid-ocean ridge is a __________ boundary.

• divergent

• convergent

• transform

The convection currents in the mantle drive the movement of the earth’s __________.

• plates

• oceans

• atmosphere

• rivers

There are three types of rock; __________, __________, & __________.

• Metamorphic, Sedimentary and Igneous

• Rocks, Pebbles and Sand

• Boulders, Stones and Silt

• Clastic, Conglomerate and

  Chemical.

In the rock cycle, igneous rock becomes magma and lava because of __________.

• melting

• erosion

• compaction

• cementation

In the rock cycle, igneous and sedimentary rock become sediment because of __________.

• weathering and erosion

• melting

• cooling

• compaction

When heat and pressure are applied to igneous and sedimentary rock, __________ rock is formed.

• metamorphic

• igneous

• sedimentary

• volcanic