Plate Tectonics and Seafloor Features

A plate boundary at which two plates move parallel to each other in opposite directions

• convergent plate boundary

• divergent plate boundary

• transform plate boundary

• subduction

one tectonic plate moves under another

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

a boundary at which two plates move away from each other

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

a boundary at which two plate move toward each other

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

What type of boundary is in this image?

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

What type of boundary is in this image?

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

What type of boundary is in this image?

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction

Wegener’s proposal of a supercontinent was supported by:

• earthquake data
• seafloor magnetism
• rock, fossil, and climate data.
• convection currents in the mantle.

Mid ocean ridges are formed by _______________.

• convergent boundary that move towards each other

• convergent boundary that moves apart from each other.

• divergent boundary that moves away from each other

• transform boundary that slides past each other

Undersea trenches are formed by _______________.

• divergent boundary that moves past each other

• convergent boundary where one plate slides under the other

• transform boundary that moves away from each other

• divergent boundary that moves apart from each other