Did It Sprout?
CSEF · 2008 Pharmacology/ Toxicology
Overview
Objectives/Goals My objective was to find out if the pH of filtered water affected seed germination. Methods/Materials I adjusted filtered water to pH 2, 3, 4, 5, 6, 6.5, 7, 8, and 9, and used three controls, that were pH 6.5. I soaked corn, mustard, sunflower, and radish seeds in plastic cups with the adjusted waters and then took them out to sprout. I observed how each set of seeds grew and sprouted, and the amount of sprouts that grew each day. Results In the results, I found that the pH of 4-7 and the controls sprouted the most seeds and grew the best sprouts, while pH's 2, 3, 8, and 9, did poorly. Conclusions/Discussion Overall, all of the different kinds of seeds grew the best at a close to neutral pH range.
Summary statement
I tested how the pH of water effects seed germination?
Help received
Mother helped set up board. Step Mother helped adjust waters to the right pH's.
Competition history
- CSEF 2008
Resources
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Source: California Science & Engineering Fair public projects