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SCIENCE FAIR PROJECT Clare Cronin and Carolina Perez-Vargas Roses are Red, Carnations are Blue Biology.

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Presentation on theme: "SCIENCE FAIR PROJECT Clare Cronin and Carolina Perez-Vargas Roses are Red, Carnations are Blue Biology."— Presentation transcript:

1 SCIENCE FAIR PROJECT Clare Cronin and Carolina Perez-Vargas Roses are Red, Carnations are Blue Biology

2 Statement of the Problem How does the amount of blue food color in the plant water affect the color of the plants petals?

3 Project Overview In our project, we try to figure out how food colorant affects the color of the flowers white petals. We put 12 vases of W, X, Y and Z each with different amount of blue food colorant increasing each time. We do this to see if the flowers get more blue as the amount of food colorant goes up.

4 Research Food coloring cannot evaporate. Most plants "drink" water from the ground through their roots When a flower is cut and it no longer has its roots, the stem of the flower still "drinks" up the water and provides it to the flowers and leaves. Transpiration and cohesion are the two things that combine to move water through plants Coloring the water with food coloring does not harm the plant in any way.

5 Variables Independent variable: Amount food coloring in the water. Dependent variable: Color of the flower based on a color scale. Constant Variable: Type of flower, cut of flower, healthiness of flower, amount of water, amount of sunlight, type of vase/cup, temperature, type of light Control group: Flower with no food coloring in the water

6 Hypothesis If you add blue food coloring to a plants water, then the white petals will have blue in them.

7 Materials 12 carnations (same size and health) 12 vases (same size) 96 oz. of water (8 oz. per vase) Blue food coloring

8 Procedure 1.Get 12 white carnations 2.Get 12 vases/cups the same size. 3.Cut the 12 white carnations in a straight angle at 21 cm from the top of the flower 4.Fill 3 vases with 8 oz. of water and add 0 drops of blue food colorant each and label them W1, W2 and W3. Put a white carnation in each vase. 5.Fill 3 vases with 8 oz. of water and add 50 drops of blue food colorant each and label them Z1, Z2 and Z3. Put a white carnation in each vase. 6.Fill 3 vases with 8 oz. of water and add 100 drops of blue food colorant each and label them X1, X2 and X3. Put a white carnation in each vase. 7.Fill 3 vases with 8 oz. of water and add 200 drops of blue food colorant each and label them Y1, Y2 and Y3. Put a white carnation in each vase. 8.Put the 12 vases in a spot with the same amount of sunlight and temperature. 9.Take general observations and record a scale from 0-5 measuring richness of color (0 being completely blue and 5 being completely blue) for each flower. Take the observations during 4 days. 10.Make graphs to compare the data. 11.Make a conclusion.

9

10 Observations and scale Plant W-0

11 Observations and scale Plant Z-50

12 Observations and scale Plant X-100

13 Observations and scale Plant Y-200

14 Graphs Day 1 Day 3Day 4 Day 2

15 Conclusion We concluded that if you put blue food coloring in water the petals will change to the color of the dye. The more you put in the water, the more deeper the color will turn out.

16 Possible Experimental Errors – Possible Experimental Error could be that our food coloring was half regular food coloring and half of a stronger food coloring. – Another Possible Experimental Error could be that our color scale got messed up so we had to guess what number it would be at the end.

17 Applications and Recommendations Make sure to get all of the same dye. Make sure you dont ruin your scale. Make sure you have enough dye. Maybe try different flowers. Make sure to keep all of your flowers healthy. Make sure your procedures are detailed.

18 Works Cited "Color Changing Carnations at Steve Spangler Science." Science Projects Experiments, Educational Toys & Science Toys. Web. 11 May "How Does Water Affect Plant Growth." Gardening Know How - Gardening Is Easy! Let Us Show You How. Web. 11 May Pot, Justin H. "Why Does Food Coloring Change the Color of Plants? | EHow.com." EHow | How to Videos, Articles & More - Trusted Advice for the Curious Life | EHow.com. Web. 11 May does_ _food-coloring-change-color-plants.html.


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