IB expectation: Examine the role of oceans as a store and source of carbon dioxide (CO2).

Carbon is present in all living things and is in a state of dynamic equilibrium i.e. it is constantly the same level on Earth but always changing forms and location. It is an a state of constant flux. (Continuous change)

 

 

See also: Carbon Cycle explained, and Keeping up with Carbon

Exercise: 

  1. Draw a labeled diagram explaining the carbon cycle
  2. Describe the chemical process of ocean acidification
  3. Explain the effect of ocean acidification on crustaceans
  4. Explain the effect of ocean acidification on humans

In class, open book essay

  1. Write a 25 minute, 10 point, essay on the following IB style Question:

Examine the role of oceans as a store and source of CO2

Make sure to include a thesis statement, three arguments and a clear conclusion.

Also, include all of the following vocabulary terms:

  • Carbon sink
  • Solubility
  • Carbon cycle
  • Oceanic conveyor belt
  • Carbon transfer
  • Acidification

Markscheme

Homework for the break:

Watch The End of the Line, read Erik Vance’s Emptying the World’s Aquariums and read Codrington up to 243