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Science
Layers of the Earth
| Question | Answer |
|---|---|
| What is the thickest layer of the Earth? | The mantle |
| What layer of the earth is the most dense? | The inner core |
| What layer is a part of the Lithosphere? | The crust |
| What layer of the Earth is the least dense? | The crust |
| What is the top layer of the Earth? | The crust |
| What is the bottom layer of the Earth? | The inner core |
| Where are the convection currents located? | Asthenosphere |
| What is the most upper layer of the mantle and the crust? | Lithosphere |
| What are the two types of crust? | Continental and Oceanic |
| Can every rock turn into every type of rock? | Yes, but it depends on its formation |
| What are the building blocks of rocks? | Minerals |
| Are minerals rocks? | NO |
| What make the sediments in sedimentary rocks? | Weathering and erosion |
| What do weathering and erosion cause? | Sediments which are then deposited and undergo compaction |
| What is the final step to make a sedimentary rock? | Cementation |
| Where are sedimentary rocks found? | In the crust in the Lithosphere |
| What rocks are formed from heat and pressure? | Metamorphic Rocks |
| How are metamorphic rocks formed? | At plate boundaries where they collide and subduct. |
| How are igneous rocks formed? | Melting and cooling (makes hardening) |
| Where are igneous rocks formed? | Asthenosphere and Lithosphere |
| How do igneous rocks make it to the surface? | Tectonic plate movements |
| What are the three boundary called? | Convergent, Divergent, and Transform |
| What do convergent oceanic-continental or oceanic-oceanic plates do? | Collide, and the denser the plate will subduct and create a trench at the top where the plates collide, or |
| What do convergent continental plates do? | The collide, push up, and make mountains. |
| What do divergent oceanic-oceanic plates do? | They will cause sea-floor spreading. Lava comes up between the two parts. |
| What happens when the lava cools after sea-floor spreading? | It hardens to create new crust and forms a mountain ridge under the water. |
| Continental-continental divergent boundaries go through what process? | The ground will form rifts, tear/crack, or valley as it pulls apart. |
| What happens with transform boundaries? | They slide past one another and cause fault lines and earthquakes. |
| What are 6 important tectonic plate names? | African, Antarctic, Eurasian, Indo-Australian, North American and South American |
Created by:
snhayes10
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