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In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.