Sceince TEST!!!!!!!!!
Order by
20 terms
Terms | Definitions |
|---|---|
 fossil | remains of once living organisim preserved in layers of sediment |
| strata | sediment that is deposited horizontally in layers |
| tectonic plates | earth's lithosphere is broken up into.... |
| tsunami | a huge ocean wave caused by an earthquake |
| seismic wave | this is produce by an earthquake and it travels from the focus |
| mantle | a thick layer of dense rock below Earth's crust |
| sea-floor spreading | when magma flows up and fills the space at many divergent boundaries what occurs |
| lithosphere | made up of earth's crust and upper mantle |
| focus | the place where rock first begins to move during an earthquake is called the... |
| crust | the thin outer layer of the earth |
| continental drift | the hypothosis that states the continents were once together called pangea |
| plate boundaries | earthquakes and volcanoes often occur near... |
| epicenter | the_____of an earthquake is the spot on earth's surface directly over the place where rock began to move along the fault |
| ocean floors | because tectonic plates are constantly being created and destroyed the____are relitivley young |
| trace fossils | type of fossil with animal foot prints |
| p waves, primary waves | these are the fastest travling waves. these waves have |
| ring of fire | the areas along the pacific ocean where volcanic activity and earthquakes occur |
| convergent boundaries | when plates collide together creating fold mountins, volcanoes, and earthquakes |
| divergent boundaries | when plates spread apart creating sea-floor spreading, mid ocean ridges, earthquakes, volcanoes, fault block mountains, and rift valleys |
| transform fault boundaries | when two plates rub against each other creating earthquakes, and mid ocean ridges |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.