Celery sitting in a jar of colored water.
The plant stem pulls water and minerals to the leaves.
Blue food coloring added to jar of water.
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In this home school lesson, we see how blue dye is soaked up by a celery stem and brought up to the top of the stalk.
We used a magnifying glass, small jar with water, food coloring, and celery.
Conclusion
Even without roots or leaves, the stem performs work, pulling liquid up against the force of gravity.
