Ocean acidification will-the_reef_survive-non-narrated[1]
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Ocean AcidificationWill the reef survive?
http://www.noaanews.noaa.gov
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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
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www.physicalgeography.net
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Carbon dioxide dissolves in the ocean, where it causes a potentially more serious problem ocean acidification.
Hoegh-Gulderg et al. 2007
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Ocean acidification poses a threat to shell-forming organisms like corals and calcifying plankton.
www.greendiary.comhttp://elrid.cult.bg
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The pH Scale
A small change in pH is equal to a LARGE change in acidity.
www.thegardenersresource.com
AC
IDS
BA
SE
S
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CO2 + H2O
CO2 + CO32- + H2O
carbonate ions
Carbonic acid reduces
ocean pH.
The concentration of carbonate
ions decreases.
H2CO3
carbonic acid
2HCO3 –
bicarbonate ions
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www.divegallery.com
www.noaanews.noaa.govwww.greendiary.com http://elrid.cult.bg
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www.travel-vancouver-island.com
www.bigmoviezone.com
www.noaanews.noaa.gov
http://elrid.cult.bg
www.nceas.ucsb.edu
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http://www.noaanews.noaa.gov
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www.wikipedia.com
Yeast
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LabQuest
Carbon Dioxide Probe
pH Probe
Yeast Experiment
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Yeast Experiment
Add sugar and yeast to water. Yeast will produce carbon dioxide.
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Yeast Experiment
Carbon Dioxide Set-up pH Set-up
Yeast growing on sugar and water
Yeast growing on sugar and water
Carbon dioxide gas
Carbon dioxide gas dissolved in water