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earth interior stack
rocks layers of earth and s an p waves
| Question | Answer |
|---|---|
| what are the three rock types | igneous sedimentary and metamorphic |
| how is igneous rock formed | melting and cooling |
| how is sedimentary rock formed | W.E.T.D.C.C which means weathering,eroison transportation,deposition,compaction,cementation |
| how is metamorphic rock formed | heat and pressure |
| what are the layers of earth hottest to coolest | inner core,outer core,mantle,crust |
| list the layers from least dense to most dense | crust then mantle then outer core then inner core |
| list the layers from least pressure to most pressure | crust then the mantle then the outer core then inner core |
| what can p waves travel through | solids,liquids,and gases |
| what can s waves travel through | only solids |
| how can scientists tell whats inside our earth | by technology |