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Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

In this outdoor activity and bingo-like game, learners explore why and how seeds spread far from the plants that produce them.

Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.