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The Power of pH: Changing Ocean Chemistry
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The Power of pH: Changing Ocean Chemistry

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Grade Level Grades 9-12
Resource Type Lesson Plan
License

About This Lesson

What is pH and how does carbon dioxide released from the burning of fossil fuels
increase the acidity of the ocean? Students explore the answers to these questions
in this two-part lab investigation. Students first investigate the power of pH by
creating their own pH scale through a serial dilution of hydrochloric acid and
sodium hydroxide. Students then compare the pH of fresh water and sea water and
add carbon dioxide to observe how pH is affected. Finally, the effect of ocean
acidification on marine life is observed through the use of calcium carbonate
powder and hydrochloric acid.

Resources

Files

Power_Of_pH.9-12.NGSS.pdf

Lesson Plan
February 13, 2020
456.39 KB

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