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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

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

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

In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit