We discussed how pine cones are able to open and close and watched this short video in our classroom:
We later tested this out by putting pinecones in water. Students discovered that the pine cones in the cold water closed first and the pine cone in warmer water took longer to close. We took the pinecones out of the water to dry and will check on Monday to see if the pine cones opened back up! The pine cones close to protect the seeds inside.
Interesting about the chestnut - we did not know that. Always something to learn!
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