Planting Science - Projects: Fire Breathing Rubber Ducks
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Fire Breathing Rubber Ducks

Project by group dmsgrayspring2021

Explore Earlier we learned seeds grow using cellular respiration to create oxygen and use photosynthesis to create food. Both of those are very important to a plant's growth and staying alive. Seeds are ovules of a fertilized flower. It contains a food supply for it to live. Seeds stay inactive in germination until the environment is good for the seed. It can take very long for the seed to be able to start the process of germination. First of all, a seed's response to light can change the timing of germination, making light an important factor for growth. Light intensity affects how noticeable seeds germinates and how the sprouts look. Sometimes only one part of the seeds are sensitive to the light that is shining on them, but in darkness, it is a slower process of germination.
Research Question How does the amount/type of energy (sun energy, lamplight, and shade) affect the growth of the seed?
Predictions I predict that the beans in the sun will grow the most out of all the others.
Experimental Design 1. Take 3 plastic baggies, 30 Fava seeds, and 3 paper towels 2. Wet each paper towel with 45 drops of water 4. Put the towels in the baggies 5. Put 10 Fava seeds in the 3 bags placed on top of the towels 6. Zip up the bag 7. Place 1 bag in sunlight (near a window in Mr. Buffa's room) 8. Place another bag under artificial sunlight (lamp near desk) 9. Place the last bag in no light (darkness near desk) 10. After a night take the seeds out carefully and measure the sprout in millimeters 11. Continue for the next 5 days
Conclusion When the fava beans are put in no light the sprouts grow the most, when compared to artificial light and sunlight. On 3/8 the seeds in artificial light had grown on an average of .7mm, the seeds with no light had an average of .3mm that day. On 3/11 the artificial seeds were at an average of 2.2 mm, on that same day the sprouts in no light had all died. The next day the sprouts in no light were at an average of .45mm. On 3/15 the average was 6.4mm in no light, in artificial light the average that day was 6.8mm. This evidence supports my claim because it shows how the sprouts in no light all died and them grew 5.95mm in just three days, it took the seeds in artificial light about 6-7 days to reach 5mm. The seeds in sunlight did not grow at all. This shows that the seeds in no light affected the growth of the seeds the most. These findings did challenge my prior knowledge, they weren't exactly what I was expecting. I don’t think that this was a fair test because the time of light could have also affected the seeds germination because the seeds under artificial light were getting constant light and the seeds under natural light were only getting about 12 hours of light each day, there were also many cloudy days which would mean those seeds were not getting any light at all those days.
Investigation Theme WOS
Teacher Name Evelyn Gray
School Name DeWitt Middle School
Session Spring 2021

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NSF_Logo.jpg This material is based upon work supported by the National Science Foundation under Grant #2010556 and #1502892. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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