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In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.

In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.

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 activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.