Lesson plan
Plasticrust
Plasticrusts are a new type of plastic pollution in the form of plastic debris, covering rocks in intertidal shorelines which vary in thickness and in color and are composed of polyethylene as determined by fourier-transform infrared spectroscopy (FTIR) analysis. They were first discovered on the South coast of the volcanic island of Madeira in the Atlantic Ocean in 2016 and have additionally been found on Giglio Island, Italy. They are considered a sub-type of plastiglomerate and could possibly have negative effects on surrounding fauna by entering the food web through consumption by benthic invertebrates.
Article summary
Plasticrusts are a new type of plastic pollution in the form of plastic debris, covering rocks in intertidal shorelines which vary in thickness and in color and are composed of polyethylene as determined by fourier-transform infrared spectroscopy (FTIR) analysis. They were first discovered on the South coast of the volcanic island of Madeira in the Atlantic Ocean in 2016 and have additionally been found on Giglio Island, Italy. They are considered a sub-type of plastiglomerate and could possibly have negative effects on surrounding fauna by entering the food web through consumption by benthic invertebrates.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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