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Many people get water from a source deep underground, called groundwater.

In this game, learners match descriptions of marine debris (shoes, batteries, paper towels, etc.) to images of these items.

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.

In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).