While walking, pay attention to the child on different trees, call them. So how do you know what the tree in front of you? The easiest way to guess the tree by its leaves. Tear the leaves from oak, let the child sees it, plays with it and remember that the tree on which they grow such beautiful leaves, called oak. Home dry leaf n ask the child to stick it in a notebook or album. Next time consider a sheet of birch and stick it in the same notebook. Also explain that the birch is easier to see the trunk in the tree he was white. During the summer you can remember five to seven of the most common trees. Next summer the kid is definitely going to call old friends, and if any tree and forget, you remind him. Continue to study the trees and other plants.