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Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers.

This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration.

This activity (on page 3 of the PDF under GPS: Biodiversity Activity) is a full inquiry investigation into biodiversity.

This activity (page 2 of the PDF under SciGirls Activity: Horse Ears) is a full inquiry investigation into animal behavior and communication.

In this lesson, learners are challenged to discover the relationship among six numbers.

In this activity, learners explore the process of condensation.

Learners explore the physical properties of a variety of balls and how they bounce.

In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection.