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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 health activity, learners explore breathing, lungs and asthma. Learners test their lung capacity by blowing air into balloons.

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.