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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

Learners take on the role of environmental engineers as they design water filters.

Learners design their own experiment to explore the permeability of different materials such as soil, sand, gravel, and marbles.

This activity (located on page 3 of the PDF under GPS: Alligator Habitat Activity) is a full inquiry investigation into organisms and the health of their ecosystems.

In this activity, learners investigate the impact of oil pollution on the environment and wildlife. Learners use hard-boiled eggs and feathers to understand the damage that oil spills can cause.

Water treatment on a large scale enables the supply of clean drinking water to communities.