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Earth Science Ch.2
Rocks and Earth's Interior
| Question | Answer |
|---|---|
| What is the process by which rocks change from one type to another? | rock cycle |
| What type of rock forms when melted rock cools or hardens on or under Earth’s surface? | igneous rock |
| What does a rock change into when heat, pressure, and hot fluids are applied? | metamorphic rock |
| What is formed when volcanic rock gets pushed down a stream, breaking into smaller pieces? | sedimentary rock |
| What is the thin, rocky outer layer of the Earth called? | crust |
| What is the densest layer of Earth, because it is made of solid iron? | inner core |
| Does temperature and pressure of the material within Earth increase or decrease with depth? | increase |
| What type of waves from earthquakes help scientists understand the interior layers of the Earth? | seismic |
| The crust and upper part of which layer_form the lithosphere? | mantle |
| The partly melted, plastic-like rock below the crust is called what? | mantle |
| What in the outer core made of? | liquid iron and nickel |
| What is the inner core made of? | solid iron and nickel |
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