Maker Projects for Kids Who Love Woodworking

Maker Projects for Kids Who Love Woodworking — page 3
IN THE WORLD All the wood people use for making objects comes from trees When you work with wood it helps to understand the source of this wonderful material If you appreciate and understand the amazing strength and value of trees you will better appreciate the remarkable material that you are working with TREE TIME The trunk of a tree supports its weight The bark is made from cells that have died The bark acts as a barrier to protect the tree from insects and disease Cells divide at the tips of twigs causing them to grow Under the bark layers of cells called the cambium divide producing new tissue and widening the trunk As the weather turns colder the cells rest until the warmer weather returns This cycle creates growth rings inside the trunk Look closely at the rings inside a tree trunk to find out more about the tree's