| A | B |
|---|
| reason Earth's plates move | convection currents in mantle |
| converging plates create ___ | deep sea trenches & mountains |
| diverging plates create ___ | ridges - new crust |
| silicon + oxygen | silicate tetrahedron |
| deposition & cementation, layers, fossils, | sedimentary rocks |
| foliated, heat & pressure, distorted layers | metamorphic rocks |
| intergrown crystals, melting & solidification | igneous rocks |
| cool fast above ground = small crystals | extrusive |
| cool slowly below ground = large crystals | intrusive |
| glaciers | scratched, U shaped, unsorted |
| streams or rivers | sorted, rounded particles, V shaped |
