Create a bear cave right before Christmas break. Then talk about hibernation. Put a stuffed bear in the cave and say that the bear is resting so it will be able to play when they get back Have a day where children bring their teddy bears to class. You can then rank then have the kids rank them by height, weight, fluffiness, firmness, cutest, cuddliest, fastest, funniest, most lovable, etc. Everything Preschool >> Themes  >> Bears >> Science