5th grade Science Fair Project By CaAmbriz Nov 4, 2020 Week One https://www.giftofcuriosity.com/easy-fall-science-pumpkin-decomposition-experiment/ Observed Data Nov 11, 2020 Week Two Nov 21, 2020 Week Three Nov 28, 2020 Conclusion The refrigerated piece of pumpkin lasted the longest. Of the pieces that were kept outside the refrigerator, the addition of water kept the pumpkin from decomposing best.