The Q&A Archives: Science Experiment Using Seeds

Question: I have a variety of garden seeds for flowers, fruits, and vegetables. I would like to conduct a science experiment by germinating them. Do you have any suggestions?

Answer: Here's a few ideas:<br><br>1. You could simply compare the length of time it takes for each type of seed to germinate. Be sure all variables are the same--same planting medium and planting depth, same watering schedule, etc. You could then make a chart and see if you can spot any trends. You could try to correlate germination time with the size of the seed.<br><br>2. You could compare the germination times for each type of seed in different media. For example, if you have bean seeds, plant 4 pots of beans in soilless seed starting mix, 4 pots in straight sand, 4 posts in peat moss, and 4 pots in vermiculite--or choose other planting media. Chart how long it takes for each to germinate. If you have the time and space, you could continue the experimentand compare growth rates.<br><br>3. You could compare the various growth rates using different strengths of fertilizer--for example, plant 16 pots of beans and water 4 with straight water, 4 with a liquid fertilizer solution at 1/4 strength, 4 with full strength, and 4 at double strength, and chart the growth rates. <br><br>4. You could compare germination times and growth rates under different types of light (and in the dark).<br><br>There are so many more possibilities. You might search our database using the word "experiment" for more ideas. I hope this is helpful.

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