chapter 2 section 3 vocabulary
Terms : Hide Images
| 341027788 | tectonic plate | enormous moving pieces of the earths lithosphere | |
| 341027789 | fault | a fracture in the earths crust | |
| 341027790 | earthquake | violent movement of the earth caused by plates glinding or catching as they slip or move past east other | |
| 341027791 | seismograph | a special device that detects earthquakes or movement of the earth | |
| 341027792 | epicenter | the point on the earths surface directly above the focus of an earthquake | |
| 341027793 | richter scale | this is used to determine the relative strength of an earthquake | |
| 341027794 | tsunami | a giant wave in the ocean caused by an underwater earthquake | |
| 341027795 | volcano | a crack in the earths surface in which magma pours out | |
| 341027796 | lava | magma that has reached the earths surface | |
| 341027797 | ring of fire | the zone around the pacific ocean in which most of the worlds tectonic activity takes place | |
| 341027798 | subduction | one plate dives under another plate | |
| 341027799 | divergent boundary | plates move apart, spreading horizontally | |
| 341027800 | convergent boundary | plates collide causing subduction or the edges to crumble or fold | |
| 341027801 | transform boundary | plates slide past one abother | |
| 341027802 | aftershocks | smaller magnitude earthquakes that occur for days after the big one | |
| 341027803 | hotspot | where magma from deep in the mantle rises and melts through the lithosphere | |
| 341027804 | hot spring | ground water gets really hot because it is over a magma chamber | |
| 341027805 | focus | the point where it starts |
