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dynamic Earth vocab
| Question | Answer |
|---|---|
| Geosphere | The rock portion of Earth, made up of four different layers |
| Asthenosphere | Soft slow-moving layer beneath Earth's surface |
| Lithosphere | Earth's rigid outer layer, made of the crust and solid , upper mantle |
| Mantle | Layer beneath Earth's crust that is mostly less solid than the crust |
| Outer Core | Liquid, metal layer surrounding Earth's inner core |
| Inner Core | Solid, metal center of Earth with high pressure and temperature |
| Crust | The thin, hard layer of Earth |
| Which of the following correctly lists Earth's layers from the innermost layer to the outermost layer? | Inner core, outer core, mantle, crust |
| As you travel further into the Earth, the pressure... | Increases |
| Which layer is a solid metal ball made of mostly nickel and iron? | inner core |
| which layer is mostly composed of liquid nickel and iron? | outer core |
| The movement of Earth's plates is caused by convection currents found within each layer? | mantle |
| Which layer is made of the three different types of rock: igneous, metamorphic, and sedimentary? | crust |
| Which of the following correctly lists Earth's layers colder to hottest? | Crust, mantle, outer core, inner core |
| Which layer is responsible for Earth's magnetic field? | outer core |
| Which of the following best explains why earth's inner core is solid? | high pressure |
| Which of the following correctly explains the difference between the inner core and the outer core? | The outer core is fluid, and the inner core is a solid |
| Which statement is true? | The mantle is solid but can flow under pressure |
| Which statement is false? | The inner core is hollow |
| A device that scientists use to map the ocean floor is... | sonar |
| The process that continually adds new material to the ocean floor is called... | sea floor spreading |
| The process by which the ocean floor sinks into the mantle is called... | subduction |
| A chain of underwater mountains along which sea-floor spreading occurs is a... | mid ocean ridge |
| What are the layer of the Earth? | crust, mantle, outer core, and inner core |
| What is the evidence of continental drift and who discovered it? | puzzle-like fit, fossils, similar rock structure, and glaziers, Alfred Wegener |
| What is the evidence of sea-floor spreading and who discovered it? | pillow lava, magnetic stripes, and aging of rocks, Harry Hess |
| Where are convection currents located? | located in the mantle |
| How do convection currents work? | convection currents are caused by the heating of Earth's internal thermal energy causing difference in density and temperature. |
| What do convection currents do? | the convection currents act as a "conveyor belt" by moving the lithosphere around. |
| What are the plate tectonic boundaries? | the plate tectonic boundaries are divergent, convergent, and transform. |
| what is density and planet different action? | density is what makes the planet into layers. |
| What is a divergent boundaries fault? | normal |
| What is a convergent boundaries fault? | reverse |
| What is a transform boundaries fault? | strike-slip |
| What is a divergent boundaries force? | tension |
| What is a convergent boundaries force? | compression |
| What is a transform boundaries force? | shearing |
| What is a divergent boundaries movement? | vertical |
| What is a convergent boundaries movement? | vertical |
| What is a transform boundaries movement? | horizontal |
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