1. 1 Ocean Acidification Will the reef survive? http://www.noaanews.noaa.gov

2. 2 http://www.independent.co.uk The burning of fossil fuels releases 11 BILLION TONS of carbon dioxide into the atmosphere every year. http://www.babble.com

3. 3 www.physicalgeography.net

4. 4 Carbon dioxide dissolves in the ocean, where it causes a potentially more serious problem  ocean acidification. Hoegh-Gulderg et al. 2007

5. 5 Ocean acidification poses a threat to shell-forming organisms like corals and calcifying plankton. www.greendiary.com http://elrid.cult.bg

6. 6 The pH Scale A small change in pH is equal to a LARGE change in acidity. www.thegardenersresource.com ACIDS BASES

7. 7 CO 2 + H 2 O CO 2 + CO 3 2- + H 2 O carbonate ions Carbonic acid reduces ocean pH. The concentration of carbonate ions decreases. H 2 CO 3 carbonic acid 2HCO 3 – bicarbonate ions

8. 8 www.divegallery.com www.noaanews.noaa.gov www.greendiary.com http://elrid.cult.bg

9. 9 www.travel-vancouver-island.com www.bigmoviezone.com www.noaanews.noaa.gov http://elrid.cult.bg www.nceas.ucsb.edu

10. 10 http://www.noaanews.noaa.gov

11. 11 www.wikipedia.com Yeast

12. 12 LabQuest Carbon Dioxide Probe pH Probe Yeast Experiment

13. 13 Yeast Experiment Add sugar and yeast to water. Yeast will produce carbon dioxide.

14. 14 Yeast Experiment Carbon Dioxide Set-up pH Set-up Yeast growing on sugar and water Carbon dioxide gas Carbon dioxide gas dissolved in water