Plate Tectonic Theory

Front

Name the boundary

Back

convergent boundary

Front

Name the boundary

Back

transform boundary

Front

Name the boundary

Back

divergent boundary

Front

Plate movement is caused by ______________.

Back

convection currents in the mantle

Front

What are mid-ocean ridges?

Back

A chain of underwater mountains

Front

What is this a picture of?

Back

pangea

Front

The hypothesis that continents have slowly moved to their current locations is called ____.

Back

continental drift

Front

What does the hypothesis of continental drift state? Options: The continents were once joined in a super-continent and have moved over time, Continents are stationary and do not move, The Earth is broken into lithospheric plates that move due to convection currents, none of the above

Back

The continents were once joined in a super-continent and have moved over time

Front

Who is credited with developing the hypothesis of continental drift?

Back

Alfred Wegener

Front

During sea floor spreading, molten material rises up from the mantle...

Back

at the mid ocean ridges