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Sunday, February 14, 2016

White Birch Tree Bark: Science & Crafts

In class we touched on using the bark of white birch trees as paper and potential craft material, but why is the bark falling off the white birch tree in the first place? Trees actually grow from the inside out. As new layers are being formed, the outer layers of the tree become dead tissue or what we know as bark. The tree begins to outgrow the bark which causes the bark to break and pull apart. All trees experience breakage in the bark, but trees shed their bark in different ways. White birch trees shed their bark in curled strips that expose the inner layer, called the cambrium. Rapid expansion of trees can cause vertical cracks in the bark. Weather can also cause breaks in the bark. If it is a warm winter day direct sunlight can heat up the bark and if the temperature drops at night, the inner layer will die and cause thick sheets of bark to fall off. This sheet of bark can be used for future crafts!
 
The bark from the birch trees has caught the attention of many crafters. Birch bark has been used to add a rustic feeling to whatever you create. Birch bark strips are actually sold online! If you happen to have some Birch trees around here is a readily easy craft you can do. The most common and easy craft to make is simply wrapping birch bark around a flower vase, mason jar, or a cylindrical object. If you are working with young bark you just simply need to remove the bark from the tree, cut the bark into the desired shape, and glue the bark onto the cylindrical object. If you are working with old bark you want to steam it, to make the bark easy to work with and just follow the same steps. You can tie the bark with a yarn to secure it and also add more a rustic feeling.
 

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