A Little Pine Cone Experiment; Do you know why a pine cone is all tight and closed sometimes and open at other times? Before you decorate the tree, gather a few pine cones. If they have been in the house they will be open. Place the pine cones in a bowl of ice water. Now, go decorate the tree! When you are done, check on your pine cones. They should be all closed up tight.
The pine cone closes to protect the seeds during the … (14 comments)
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