GROWING TREES 
73 
PRACTICAL WORK 
Exercise 1 
Object: To become familiar with trees. 
Material: Saw, axe, hatchet, and branches of trees. 
Procedure: Cut short pieces of branches, about eight inches 
long from representative trees. Branches from two to four inches 
in diameter should be selected. These should be sawed to show 
an angle of the wood. The collection may be taken to school, 
labeled, and placed in a case for future study. The samples may 
be fastened to boards and nailed to the wall. 
Exercise 2 
Object: To learn the kinds' of trees near your school. 
Material: Notebook and pencil. 
Procedure: Visit a park or forest and list as many kinds of 
trees as you can. Note the differences in branches and in leaves. 
If you cannot name the trees, ask some older person who is 
familiar with trees. 
WORDS TO BE LEARNED 
Anchor. To fix in a stable condition. 
Annular. Thickened layers of rings about a tree. 
Carbon dioxide. A heavy colorless gas made from one part 
of carbon and two parts of oxygen. 
Deciduous. Leaves falling at the end of the growing period. 
Evergreen. Retaining leaves throughout the year. 
Grain. The arrangement of fibers in wood. 
Grove. A smaller group of trees than a forest without under¬ 
growth. 
Mount. To put upon anything that sustains or fits for use. 
Nodules. A little lump or knot formed upon the roots of 
legumes. 
Oxygen. A colorless, odorless, tasteless gas making up about 
one-fifth the air we breathe. 
Preserve. A place where timber is grown and cared for, for 
future use. 
Soluble. That which may be dissolved in a fluid. 
Texture. The coarseness or fineness of wood particles. 
Torrent. A violent rapid flow of water. 
