Pumpkin Science

We grew pumpkins in our garden this year and had several small ones that were perfect for science!

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I found a simple worksheet for the kids online. I can’t find the source, but there are many options if you google “pumpkin science worksheet”. They had to draw a picture of their pumpkin, count the lines, see how many blocks tall it was, and predict if it would sink or float.
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We filled the sink with water to do the “sink or float” experiment. The kids guessed before putting the pumpkins in the sink, and Jenna thought it would sink, while Connor guessed it would float. They were surprised by the results!

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After the sink or float experiment, we cut into the pumpkins to learn why they floated in the water. Once the kids could see that the insides of the pumpkin were mostly hollow, it made a lot more sense.

Counting the seeds from the entire pumpkin seemed like a large task for their age, so instead, we pulled the seeds off of the top of the pumpkin and counted those. The other reason for doing this, was I found a fun experiment to do with the bottom half of the pumpkin intact.

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We went to the garden and filled the pumpkins with dirt and watered them. Then, we set them in the kitchen window so they would have sun. The link on Pinterest showed beautiful pumpkins that the seeds had sprouted and were full of lush green sprouts on the top. Reality was mushy, moldy pumpkins on my windowsill that had to be dumped in the trash long before anything had a chance to sprout! Pinterest fail!

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The seeds we had counted earlier were rinsed and roasted. The kids thought they made a yummy snack!

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Our final pumpkin project was baking chocolate chip pumpkin bread together. I “cheated” and used canned pumpkin for the recipe, but if you’re feeling ambitious with your kids, you can show them how to make pumpkin puree from scratch. I tried a new recipe and it was soooo good! I may or may not have eaten half the loaf by myself…

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