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Science experiment worksheet exploring how food coloring affects white carnations.

A colorful science experiment worksheet titled "Colorful Carnation" with sections for hypothesis, results, and conclusion, featuring illustrations of white carnations in water with food coloring.

A colorful science experiment worksheet titled "Colorful Carnation" with sections for hypothesis, results, and conclusion, featuring illustrations of white carnations in water with food coloring.

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Show Answer Key & Explanations Step-by-step solution for: Science at Home - Colour Changing Flowers
It looks like you've uploaded a worksheet titled "Colorful Carnation Science Experiment". Based on the visible content, this is a hands-on science activity designed to demonstrate how plants absorb water and transport it through their stems.

Let’s go step-by-step through the problem/solution and explanation based on what’s shown:

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🌸 Science Question #1:


> *What will happen when I place a white carnation in water with food coloring?*

This is an inquiry-based question that explores plant biology, specifically capillary action and transpiration.

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🔬 Hypothesis Section:


The student has written:
> *"I hypothesize that my flower will... (blank)"*

And then:
> *"If you hypothesized it would change color, how long do you think it will take to change?"*

This section encourages students to make a prediction before conducting the experiment.

Expected Hypothesis:
Most students would predict that the white carnation will turn the color of the dye because the plant absorbs colored water through its stem.

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🧪 Results Section:


> *"At the end of our experiment, my carnation looked like..."*

(There's a blank space here for drawing or describing.)

Expected Result:
After placing the carnation in water with food coloring (e.g., red, blue, or pink), the petals will gradually turn the color of the dye, especially near the edges or veins.

👉 This happens because:
- The plant draws water up from the vase through xylem vessels in the stem.
- The food coloring travels with the water.
- As the water reaches the petals, the pigment becomes visible.

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Conclusion Section:


> *"Flowers are able to move their water from the roots, flowers 'drink' water up into their stems, leaves, and flowers to make food. When the water evaporates from the petals, more water comes up. This is called TRANSPIRATION."*

This conclusion is correct and explains the scientific process behind the experiment.

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🔍 Scientific Concepts Explained:



1. Capillary Action:
Water moves upward through narrow tubes (like xylem) due to adhesion and cohesion forces.

2. Transpiration:
Water evaporates from the leaves and petals, creating a "pull" that draws more water up from the roots.

3. Xylem:
Specialized tissue in plants that transports water and dissolved minerals from roots to other parts.

4. Food Coloring as a Tracer:
It helps visualize how water moves through the plant.

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Final Answer / Solution:



> When a white carnation is placed in water with food coloring, the flower absorbs the colored water through its stem. Over time (usually 24–48 hours), the petals begin to show the color of the dye, especially along the veins. This demonstrates how plants transport water and nutrients from the roots to the leaves and flowers via transpiration and capillary action.

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💡 Tips for Students:


- Use white carnations (they show color best).
- Add a few drops of food coloring to the water.
- Cut the stem at an angle to increase surface area.
- Change the water every day to keep it fresh.
- Observe daily and record changes.

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Would you like me to help fill out the worksheet completely with sample answers and drawings?
Parent Tip: Review the logic above to help your child master the concept of food coloring flower experiment worksheet.
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