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In this genetics activity, learners discover how to extract DNA from green split peas.

Whether it's the genetic code, an ancient language, or patterns of light in a distant galaxy, scientists often have to play the role of decoder.

This activity (on pages 7-13) has pairs of learners survey an array of similarities and differences between them.

In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.