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

By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

Using a vertical wind tube and using simple materials, individuals and groups attempt to design a "satellite" that floats for at least 5 seconds.

In this activity, learners use three types of cheesy snacks--cheese balls, cheese puffs, and Cheetos--to learn about polymers.

In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.

In this activity, learners build water-propelled engines from soft drink cans.

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

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.