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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this math lesson, learners identify the relationship between the number of sides in a regular polygon and the number of struts needed to make each polygon rigid.