| A | B |
|---|
| core | the center of the earth |
| mantle | the middle layer of the earth |
| crust | the surface of the earth |
| subduction zone | the area where one tectonic plates slide under another |
| convergent bounbdary | two tectonic plates push into one another |
| divergent boundary | two tectonic plates move away from one another |
| transform boundary | two tectonic plates slide past each other |
| continental drift | continents can move apart from each other and have done so in the past |
| pangaea | all lands, the old supercontinent |
| tectonic plates | the peices of the crust that move around on the mantle |
| inner core | the solid core |
| outer core | the liquid core |
