Matching Pairs Tectonic PlatesOnline version Tectonic Plates by Tabitha Najera 1 plasticity 2 convection currents 3 Tectonic Plates 4 trench 5 ridge 6 convergent 7 earthquakes 8 plates 9 lithosphere 10 divergent 11 transform When 2 plates separate the circulation of material in the mantle When two plates slide Large pieces of Earth’s crust that move due to convection currents when two plates collide a long, very steep ditch along the ocean floor rigid layer broken into pieces called plates when plates shift and cause the Earth to shake a long crack between 2 plates A theory stating that the Earth's surface is broken into plates that move solids that act like liquids, semi-solids