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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

This activity (on pages 24-29) combines science and art to introduce learners to how different animal pollinators spread pollen from one plant to another, and how certain shapes, colors, and smells of