Earth Science Demonstration: Chocolate Plate Tectonics

Plate tectonic chocolate lab

Here is a plate tectonic demonstration/lab idea for all grade levels.  You can easily use this video when teaching about earthquakes and plate movements.  All you will need is a hot plate, pan, some milk and chocolate powder.  Place the pan on the hot plate, pour in some milk, pour a thick layer of chocolate powder on top of the milk until the milk is covered.  Turn on the hot plate and then wait a few minutes up to about 5 and you should start to see the "crust" break apart and "magma" rise to the surface.  Extension in your conversation can be:

  • Plate tectonics
  • Cracks in the crust
  • Earthquakes
  • The "magma" turns brown due to the "crust" so you can talk about how igneous rocks get some of their characteristics due to the surrounding rock.



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