In this colorful experiment, students will observe how celery absorbs colored water, showing how plants take in water through their stems.
If celery stalks are placed in colored water, then the color will travel up the stalk and change the color of the leaves.
As an Amazon Associate, this site earns from qualifying purchases.
Fill each cup with water and add different food coloring to each.
Cut the bottom of the celery stalks at an angle.
Place one stalk in each cup of colored water.
Label the cups with corresponding colors.
Observe the celery stalks daily for changes.
Record any color change in the leaves.
After a week, compare the results.
Discuss how this relates to how plants drink water.
Celery should change color based on the colored water, demonstrating how water travels up through the plant.
Color of the water
Color change in the celery leaves
Type of celery, Amount of water, Temperature
Food coloring may stain; handle with care.
Create a visual display of your findings.
Use photos to show the color changes.
Explain the process of capillary action.
Prepare to answer questions about plant biology.
Make it engaging with fun facts about plants.
Results can usually be seen within a few hours to a few days.
Yes, other vegetables like white flowers can also show absorption.
Yes, food coloring is safe for this type of experiment.
