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Comparing Flower Growth Under Different Light Sources

This science fair project by Alex Pappas explores whether flowers grow faster under various light sources. By examining the impact of sunlight and a lamp on flower growth, the study delves into variables such as light intensity and plant height. Through research, experimentation, and analysis, the project aims to determine the most effective light source for promoting flower growth. The conclusion and recommendations shed light on the significance of choosing consistent flower types and starting experiments early. Further research into optimal growing conditions can enhance future botanical studies.

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Comparing Flower Growth Under Different Light Sources

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  1. Science Fair Project Flowers and different light sources Alex Pappas

  2. Statement of the Problem • Will flowers grow faster under different light sources?

  3. Project Overview • I will take two flowers and both put them under a different light source. They both got the same amount of light, soil, and water. They both stood in the light for the same amount of time each day.

  4. Research • Read book about flowers • Search internet for flower facts. • Searched internet for fast growing flowers.

  5. Variables • Independent: Amount of light • Dependent: Height of flowers • Constants: Time of day, 1 hour in sun, type of flowers, cup of soil (12 cm), cup of water (100 mm). • Control Group: Flower heated by the sun

  6. Hypothesis • Hypothesis • If flowers can grow in the sun then they can grow under a lamp because they both give off heat • My educated guess was that the sun would make the flowers grow faster because most plants are used to growing in the sun. The sun made the flower grow faster.

  7. Materials • Ruler • 1400 mm of water • 24 cm of soil • Flower (x2) • Cup for soil (x2) • Lamp • Sunlight

  8. Procedures • Buy 2 of the same type of flowers • Put 12 cm for each cup • Put 1 flower in each cup • Give each flower 100 mm of water each day • Put 1 flower in sun for 1 hour • Put one flower under lamp for 1 hour • Take flowers out of light • Put them in a room temperature room overnight

  9. Photos Soil measured Flower under lamp. Flower under sun

  10. Data/ObservationsAnalyzes As you can see the 2nd flower grew more. They started out at different heights but the 2nd grew more.

  11. Conclusion • I concluded that the sun made the flower grow better. I gave the flower more pedals, and taller.

  12. Possible Experimental Errors • The errors could have been that the different heights of the flowers made one go through its growth spurt and the other already been through it.

  13. Applications and Recommendation • For improvements I would recommend buying flowers that are the same type. Start the project a little bit early incase there are any problems.

  14. Works Cited • Bodach, Vijaya. Flowers. Mankato, MN: Pebble Plus, 2007. Print • House and Home. Web. 27 Jan. 2011. <http://www.houseandhome.org/>. • Houseplant Care - Evergrowing.com. Web. 27 Jan. 2011. <http://www.evergrowing.com • Pappas, Anne B. "Flower." Personal interview. 26 Jan. 2011.

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