Lesson 2 – Exploring CO2 to Better Understand Ocean Acidification

Course:  Life Science, Integrated Science, STEM, BioChem, Marine Science

Unit:  Ocean Acidification, Ecology, Biogeochemical Cycling


See Standards Addressed for all NGSS, WA State (Science, Math and Literacy), and NOAA Ocean Literacy Education Standards Connections.  In addition to the aligned objectives linked above, for this lesson, here is a breakdown of:

What Students Learn:

  • CO2 is a common gas produced through cellular respiration, combustion and many chemical reactions.
  • CO2 is a testable component in a very large system of many biotic (living) and abiotic (nonliving) components on land, in the air and in the water.
  • CO2 is different than other relatively common gases - it is heavy and when it enters water it changes (a chemical reaction takes place).  

What Students Do:

  • Students use inquiry to explore the properties of carbon dioxide.
  • Students find that carbon dioxide is fairly easy to obtain, to experiment with and to measure.








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