Lesson Overview

 45 Minutes

 3, 5, 9

 2nd - 5th Grade

 State Standards:
Science Standards: 2.4-5.4

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Materials List

  • 3 pumpkins of different sizes
  • Newspaper
  • Carving knife/small hand saw
  • Metal spoons
  • Paper towels

Math & Science Pumpkins – Activity 3

Categories: Agriculture , Math & Measurements , Plants

While pumpkins are called vegetables, they are actually fruits. Technically, a fruit is the edible fleshy part of the plant that surrounds the seeds. In this activity students investigate the insides of these fruits, what the cavities look like, how seeds are attached at the ribs, and the number of seeds in pumpkins of different sizes.

INSTRUCTIONS

  • Use three different sized pumpkins for this activity. Begin by having students predict which pumpkin, the largest or smallest, has the most seeds.
  • Next, slice the two pumpkins in half lengthwise and then examine them. Have students examine the size of the cavities, the seed density, and how seeds are attached along the ribs.
  • Place a newspaper under the pumpkins. Have students scoop out the seeds, remove the seeds from the fleshy fiber, and dry them on a paper towel

For full instructions, please download our PDF

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