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About the Participant

Your Name: Christopher Bonelli
School: Queens College
City: Bayside State: NY
Grade Level(s): Subject(s): Science
Email address:

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About the Experiment

Experiment Title: What parts of a seed are necessary for growth?


  1. half of soaked bean with cotyledon
  2. embryo by itself

Experimental Predictions:

Embryo's should develop quicker and grow faster. The fact that they were soaked should promote quicker growth.


Experiment Methods and Procedure:

I took a cup of soil and planted both half beans and embryos in the same cup. The half beans were one the left side, the embryo's were on the right. The soil was moistened enough to promote growth. I measured the single sprout with a ruler.

Results and Conclusions:

The one sprout that did grow was a soaked half bean with embryo. The other half bean was killed by mold, and the embryos alone rotted away. The soil may have been moistened too much which caused the mold to grow on the second half bean. The extra moisture may have caused the embryos alone to rot away. At least some part of the cotyledon is needed to grow a bean. I will try a new experiment this time using half of soaked bean with embryo, whole soakedbean without seed coat, whole dry bean planted in same cup.

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