Ocean Acidification http earthrefSCC Scripps Classroom Connection Atmospheric

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Ocean Acidification http: //earthref/SCC Scripps Classroom Connection

Ocean Acidification http: //earthref/SCC Scripps Classroom Connection

Atmospheric CO 2 0 500 http: //earthref/SCC 1000 1500 1750 1800 1900 2020 Scripps

Atmospheric CO 2 0 500 http: //earthref/SCC 1000 1500 1750 1800 1900 2020 Scripps Classroom Connection

co 2 now. org

co 2 now. org

Sources of CO 2 Natural vs. Anthropogenic http: //earthref/SCC Scripps Classroom Connection

Sources of CO 2 Natural vs. Anthropogenic http: //earthref/SCC Scripps Classroom Connection

http: //earthref/SCC Scripps Classroom Connection

http: //earthref/SCC Scripps Classroom Connection

Sinks of CO 2 46% Air 28% Forests 28% Oceans http: //earthref/SCC Scripps Classroom

Sinks of CO 2 46% Air 28% Forests 28% Oceans http: //earthref/SCC Scripps Classroom Connection

Car Exhaust Demo Materials Access to a Car Exhaust Funnel (cheaper substitute: Index Folder)

Car Exhaust Demo Materials Access to a Car Exhaust Funnel (cheaper substitute: Index Folder) Large Tubing to fit Funnel (cheaper substitute: Hose) Large Beaker (cheaper substitute: Bucket) Distilled Water or Seawater p. H Indicator Dye (BTB or Phenol Red) http: //earthref/SCC Scripps Classroom Connection

Ocean Acidification Balloon Lab Materials Balloons Straws (cut in half) Small Rubber Bands 250

Ocean Acidification Balloon Lab Materials Balloons Straws (cut in half) Small Rubber Bands 250 m. L Beakers Seawater p. H Indicator Dye Tape Measures Calculators http: //earthref/SCC Scripps Classroom Connection

Ocean CO 2 Chemistry CO 2 +H 2 O http: //earthref/SCC HCO 3 -+

Ocean CO 2 Chemistry CO 2 +H 2 O http: //earthref/SCC HCO 3 -+ H+ CO 32 -+ 2 H+ Scripps Classroom Connection

Seawater p. H Measure of a solution’s acidity Few H+ = High p. H

Seawater p. H Measure of a solution’s acidity Few H+ = High p. H = Basic Lots of H+ = Low p. H = Acidic SW http: //earthref/SCC Scripps Classroom Connection

Ocean Acidification CO 2 +H 2 O HCO 3 - + H+ CO 3

Ocean Acidification CO 2 +H 2 O HCO 3 - + H+ CO 3 2 - + 2 H+ Seawater p. H http: //earthref/SCC Scripps Classroom Connection

Candle Ocean Acidification Demo Materials Two wide, shallow glass dishes Tea Candles (3) Match/Lighter

Candle Ocean Acidification Demo Materials Two wide, shallow glass dishes Tea Candles (3) Match/Lighter p. H Indicator Dye Distilled Water or Tap Water Scripps Classroom Connection

http: //earthref/SCC Scripps Classroom Connection

http: //earthref/SCC Scripps Classroom Connection

CONCLUSIONS �Increased Emissions = More CO 2 �CO 2 Dissolves into Oceans �Oceans Losing

CONCLUSIONS �Increased Emissions = More CO 2 �CO 2 Dissolves into Oceans �Oceans Losing Base http: //earthref/SCC Scripps Classroom Connection