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# What Is The Effect Of Caffeine On Soybeans

1135 words - 5 pages

What is the effect of caffeine on the growth of soybeans? Introduction: The plants used in the experiment are Glycine max, commonly known as soybeans. This table shows the taxonomy of the Glycine max.Kingdom Plantae ( plant)Division Magnoliophyta (flowering plant)Class Magnoliopsida (angiosperms)Order Fabales(an order of flowering plants)Family Fabaceae (bean family)Genus Glycine (a genus of the Fabaceae familySpecies Max (soybean)Hypothesis: My hypothesis is that the caffeine will have a negative effect on the plant's growth. The caffeine will stun the plant's growth, and maybe even kill the plant. As the amount of caffeine given to the plant increases, the damage to the plant will also increase. Therefore, the control group should grow the most, than the plants given the 15% solution, and the plants given the 50% solution should grow the least.Materials:1. A 15% caffeine solution2. A 50% caffeine solution3. 10 soybean seeds4. 3 containers5. Tap water6. 2 plastic bagsProcedure:1. Put the 30 soybeans into the 2 plastic bags (5 in each) and then put the bags in an area where there is no light.2. After the seeds germinate, (It should take a few days) put them into 3 containers by putting 3 seeds in each (One seed did not germinate).3. Label one container the control, one container for the 30% solution, and one container for the 50% solution4. Now put the seeds into an area where they will receive 8-10 hours of sun a day (This is the amount of sun that soybeans grow the healthiest in).5. Water the control group with .4 liters of normal tap water.6. Water the 15% group with .4 liters of the 15% caffeine solution.7. Water the 50% group with .4 liters of the 50% caffeine solution.8. Repeat steps 5, 6, and 7 for 3 times a week for 5 weeks.Data Collection:Figure1 Figure215% Caffeine Group Control GroupHeight of Plants in Centimeters Controlled Group 15% Solution 50% Solution2 Week 1.35 0.00 0.003 Weeks 3.55 .90 .704 Weeks 5.60 1.65 1.105 Weeks 7.90 2.10 1.20Height of the Soybean Plants in CentimetersCentimetersNumber of WeeksSeries 1- controlSeries 2- 15 % solutionSeries 3- 50% SolutionData Interpretation: The information shown in the "data collection" can help us understand why the results...

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