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Lesson Plan
Curated OER

Dissolved Gases in Water

For Teachers 5th - 8th
Using different types of water, earth science explorers set out to prove the ocean's ability to absorb greenhouse gases. They shake, heat, and freeze the water samples to examine gas content. This instructional activity is useful during...
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Lesson Plan
Curated OER

Teaching about the Effect of pH on Aquatic Organisms

For Teachers 8th - 12th
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition.