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In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length of a pla

Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

In this food science activity, learners observe different plant-originated foods.