Plate Tectonics

What theory states that the continents once formed a single landmass , broke up, and drifted to their current locations?

• continental drift

• plate boundaries

• seafloor spreading

• plate tectonics

What are all the continents together in one land mass called?

• Gondwana

• Laurasia

• Eurasia

• Pangaea

What causes plates to move on the asthenosphere?

• gravity

• slab push

• convection currents

• tides

At what type of boundary do plates move apart?

• divergent

• tension

• transform

• convergent

At what type of boundary do plates slide past each other?

• tension

• compression

• transform

• convergent

At what type of boundary do plates come together and collide?

• transform

• strike-slip

• divergent

• convergent

What is the process in which old crust is destroyed as it is pushed into the mantle?

• shear

• subduction

• earthquakes

• seafloor spreading

What force pulls rocks apart?

• tension

• compression

• shear

• reverse

What force squeezes rocks together?

• tension

• compression

• shear

• gravity

What force causes rocks to slide past each other?

• tension

• compression

• reverse

• shear