Convection

Convection

Storyboard Text

  • There are 4 main layers, the crust, mantle, outer core, and inner core
  • Today, we will be learning about convection. we will be going into the volcano that will give us access to see the Earth's layer 
  • Wow that's so cool, I'm so excited. How many layers of the Earth are there?
  • First up is the crust. it is the thinnest layer of the Earth. the crust is broken up into 2 section. The continental crust and oceanic crust
  • Tectonic plates are pieces of the Earth's crust
  • What are tectonic plates?
  • Tectonic plates are massive slabs of rocks that are ALL over the Earth
  • Below the crust is the mantle, the largest layer of the Earth. It is also where convection current occur
  • Heat rises from deep inside the mantle, while the cooler material in the mantle sinks
  • When a substance is hot, particles moves faster than it would when it's cold . Hot substance are also denser than cold substance
  • wait so why does heat rise and cooler air sinks?
  • because of a process call convection
  • Lastly is the Earth's core. It is the heat source of the Earth, The heat comes from the core, which is then transferred into the mantle where convection occur
  • The core can be up to 9000 degrees F
  • How hot is the core?
  • That will conclude the trip. hopefully you guys know a bit more about convection now
  • No problem kids!
  • Thank you for explaining what convection is!
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