Ocean Acid Test by Oceana

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I. Comprehension task during listening:
Circle the right answer:
1. Ocean acidification is due to a. carbon dioxide b. dead fish c.garbage.
2. Eco systems of the oceans are a. fine b. in danger c. dead.
3. Oceans absorb about a. 15% b. 30% c. 50% of CO2.
4. Added carbon reduces a. water b. light c. carbonate in the ocean.
5. Carbonate is a building block of a. ocean water b. ocean ships c. shells.
6. If acidification keeps growing, it could a. grow b. decrease c. disolve shells.
7. Calcification is formation of a. shells b. pebbles c. fish eggs.
8. An eco system is in danger if any one species a. lives b. thrives c. dies.
9. The content of CO2 in the atmosphere should not exceed 450 ppm (parts per million).
10. If it continues at the current rate, at the end of the century the ocean acidity will a. double b. triple c. remain the same.

II. Share your thoughts and information with your group:
1. Why are alternative energy sources good for the oceans?
2. Make a list of everyday things that are carbon dependent.
3. Come up with a list of changes in your life style that can reduce carbon emissions.
4. Find on the internet how you can measure your "carbon footprint". Go to www.carbonfootprint.com