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Does Aspirin Water Affect Plant Growth?

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Amanda Foo

on 6 February 2014

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Transcript of Does Aspirin Water Affect Plant Growth?

Aspirin Water: Positive or Negative Impact on Plants?
By: Amanda

Research Question
My research question for this science expo is: Does aspirin water affect the growth of plants?
For my experiment, the challenge would be Environment. This science experiment could give us new information on how we can grow our plants faster and new information on germination.
I came up with this idea when I saw a container of aspirin on the counter. I knew that aspirin helps relieve headaches and lessens the chance of having skin cancer and heart disease. I also remembered how we conducted an experiment on plants and germination in science class.
The purpose of my experiment is to find out what happens when you dissolve aspirin in hot or boiling water, then use the water on different plants. I want to know if aspirin will positively affect plant growth.
In my opinion, aspirin will help the growth of plants because it helps other people feel better and it lessens the chances of heart disease and skin cancer. I believe that using aspirin water instead of plain water will help plant growth and germination.
Aspirin tablets
A drinking glass
Hot water
Room temperature water
Seeds (Daisies, Mother of Millions, Garlic)
Plant pots
Soil with fertilizer
Pen and paper for notes
Experimental Procedure
1. Label one pot “Aspirin Water” and the other “Plain Water.”
2. Put some soil into the pot and plant the seeds inside. Cover them up.
3. Take them to a location that gets plenty of sunlight.
4. Put two tablets of aspirin in a drinking glass.
5. Add hot water to the tablets; they should melt and dissolve. If not, then add boiling water. Stir until completely dissolved.
6. Allow the water to cool to room-temperature.
7. Once the water has cooled, water the seeds in the pot labeled “Aspirin Water.” Do not over-water the seeds. Just add enough water until the soil is moist. Do not get the soil soaking wet.
8. Water the seeds in the pot labeled “Plain Water” with plain water. Again, just get the soil moist.
9. You should water the seeds everyday or when the soil feels dry with the designated types of water.
10. Observe the growth of the plants daily. How long did the seeds take to germinate in each pot? If you observe measurable growth, take your ruler and measure the height of the plant.

independent variable – the type of water
dependent variable – the plant growth
controlled variables – amount of sunlight, temperature, amount of water

The plants started growing 9 days after I planted them.
The aspirin water has not helped the plants in terms of height and germination.
The aspirin water has killed the daisies and the Mothers of Millions, but it did not kill the garlic.
Aspirin contains salicylic acid and acetylsalicylic acid, which are the two top active ingredients in aspirin.
I believe that aspirin water did not help most of my plants because these acids were not meant for plants. I also believe that my results did not turn out the way I thought they did because I added too much aspirin.
Aspirin was not meant for plant growth and germination, but it is meant to relieve headaches for humans.
Information Sources
Progress Report for January 26

In conclusion, the aspirin water affected all of the plants negatively, except for the garlic.
If I were to change my experimental procedure, I would have added less aspirin to the boiling water.
I believe that if I did this, then my results would have been different and the aspirin would have helped the plants grow.
1. PC, S. (2013 May 23). Does Aspirin Help Plants Grow? Retrieved from http://www.education.com/science-fair/article/dissolved-aspirin-grow-plants-faster/
2. Witmer, S. (30 August 2013). The Surprising Health Benefits of Aspirin. Retrieved from http://www.womenshealthmag.com/health/aspirin
3. Paddock, C. (25 March 2012). Daily Aspirin – More Benefit than Risk? Retrieved from http://www.medicalnewstoday.com/articles/243265.php
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