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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

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 conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.