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About the Participant

Your Name: The Next Move
School: Harvard-Smithsonian
City: Cambridge State: MA
Grade Level(s): Subject(s):
Email address: channel@learner.org


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We asked some of the Channel staff to help us with our experiments. For each of our six experiments, we asked a different staff member what his or her predictions would be.

About the Experiment

Experiment Title: Do all seeds in water sprout and grow the same? (Workshop 8)

Conditions:

  1. Lima bean
  2. Navy bean
  3. Kidney bean
  4. Corn seed
  5. Pumpkin seed
  6. sunflower seed

Experimental Predictions:

Prediction from: Props Master

I think that all of the beans will sprout, but I don't know which will sprout the fastest. I'm not sure if the corn seed, pumpkin seed, or sunflower seed will sprout. They all have hard coats and it seems like something special might have to happen to the seed before it can sprout.

 

Experiment Methods and Procedure:

  • 3 pre-soaked lima bean seeds in plastic bag with moistened paper towel
  • 3 pre-soaked navy bean seeds in plastic bag with moistened paper towel
  • 3 pre-soaked kidney bean seeds in plastic bag with moistened paper towel
  • 3 pre-soaked corn seeds in plastic bag with moistened paper towel
  • 3 pre-soaked pumpkin seeds in plastic bag with moistened paper towel
  • 3 pre-soaked sunflower seeds in plastic bag with moistened paper towel


    Results and Conclusions:

    Our last experiment resulted in a lot of happy plants! All of the seed types we tested sprouted and grew when given water, although the pumpkin seeds seemed to take a bit longer to get going. Given the small number of each type of seed, its hard to tell if growth rates are significantly different among different types of seeds. It does seem like the smaller seeds are far less likely to rot than the lima beans weve been using. Next time we do the Great Bean Bag Adventure, we might use kidney beans as our primary seed!

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