Array Color-Changing Flowers Capillary Action | Montessori From The Heart

Color-Changing Flowers Capillary Action

Color-Changing Flowers Capillary Action MFTH

Color-Changing Flowers staining Capillary Action kids science Experiment with Dyed Water and Carnations to show how the plant pulls the water through the stem up to the flower, while defying gravity.

The capillary action dyed carnations experiment is a fun and educational activity for kids. It allows them to observe firsthand how capillary action works in plants. The experiment involves placing a white carnation into a vase of water that has been dyed with food coloring. As the carnation sits in the dyed water, it will absorb the colored water through its stem. This process will eventually turn the petals of the flower the same color as the water. So, get ready to conduct the Color-Changing Flowers Capillary Action experiment.

Color-Changing Flowers Capillary Action

The cut flower pulls water through its stem to the flowers and leaves. Water travels up tiny tubes in the plant because of a process called Capillary Action. Adding dye to the water allows us to observe capillary action at work.


Below is a list of supplies you will need to conduct this color-changing flower capillary action:

Changing Color Flowers-Capillary-Set-Up-White- carnations Kids Science Experiment


Add water and then mix a single-color dye into each glass. (The more saturated the water is, the more the dye will show in the petals.) Make sure to trim a flower’s stem at an angle and then place a flower in each glass. Let the flowers sit in dyed water for about 24 hours.

Afterward, examine what has happened. Observe the entire plant, including the petals, stem, leaves, and buds, if any. In which parts can you see the food coloring?

How do flowers absorb colored water?

The flowers absorb colored water, which moves through the plant with the help of capillary action. The plant pulls the water through the stem up to the flower. Even after a few hours in the dyed water, some flower heads might show dyed spots near the petals’ edges.

*Flower-Capillary-Action-STEM-Colored-carnations Color-Changing Flowers Capillary Action
*Flower-Capillary-Action-STEM-Colored-carnations Color-Changing Flowers Capillary Action

 Capillary Action | Property of Adhesion

Capillary action is a phenomenon where a liquid, such as dyed water, moves through narrow spaces, such as the tiny openings in a flower stem, without the assistance of external forces like gravity. In the context of flowers, capillary action allows water to be drawn up from the vase or container through the stem and into the petals and leaves, providing the necessary hydration for the plant’s survival. As a pant takes in more and more water as the need arises, more dyed water is pulled into the plant. However, if the water is tinted, the capillary action will dye the petals, resulting in beautiful coloration. This process is called transpiration and cohesion.

What is an example of capillary action plants?

In plants, capillary action is facilitated by a network of tiny tubes, called xylem, that run throughout the stem. These tubes are made up of thin, straw-like structures called tracheids and vessels , which are able to create a natural pressure gradient within the plant. As water evaporates from the leaves, it creates a negative pressure, or tension, that pulls more water up from the roots through the xylem

The surface tension of water also plays a role in capillary action. The molecules of water are naturally attracted to each other. Such attraction creates a cohesive force that allows them to stick together and form droplets. This cohesive force allows water to climb up the narrow spaces within the xylem, defying gravity and filling every part of the plant with life-giving moisture.

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What Scientific Concepts Children Learn from this Experiment

Color-Changing Flowers Capillary Action MFTH
Color-Changing Flowers Capillary Action MFTH

Children can learn several scientific concepts from this experiment, such as:

Capillary action: The experiment demonstrates how water is drawn up through the stem of the flower, against gravity, due to capillary action.

Plant anatomy: The experiment allows children to see and examine various parts of a plant and how those parts work together to absorb and distribute water.

Color mixing: The experiment also introduces kids to the concept of color mixing, as they can mix different colors of food coloring in the water to see what colors the flower will turn.

Color Mixing Primary and Secondary Colors Free Printable

Overall, the capillary action dyed carnations experiment is a simple yet engaging way for kids to learn about the fascinating world of plants and the science behind how they work. Plus, they get to see the cool and colorful results of their experiment in the form of a beautiful and unique flower.

Please let me know if you tried capillary action stem experiment.


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