A series of lesson plans designed to be used with the Smithsonian Ocean Planet exhibit (available online). Lesson topics include marine ecosystems, pollution of ocean water, animal strandings, and literature.

Looks at ocean acidification, what causes it, the impact of it, and possible ways to reduce it.

Understand water as a limited resource, and how it becomes polluted.

Read how freshwater moving across the surface of the Earth can become polluted and bad for the environment. Create a model that shows how water can become polluted as it flows downhill.