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In this activity, learners use a pneumatic trough (see related activity) to generate and collect pure oxygen.

Over $20 per student Ages 14 - adult 30 to 45 minutes
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The objective of this inquiry-based lesson is for learners to gain an understanding of how increasing ocean acidity can affect the calcification of marine organisms.

Over $20 per group Ages 14 - adult 2 to 4 hours