NINTH GRADE SCIENCE 23

If an exercise is worth performing, it is worth recording. Usu-
ally the exercise may be reported in a brief time by such means
as:
 1. Making and labeling a diagram.
 2. Writing a short summary.
 3. Answering a few questions.

 Ways of enriching the course. A course in general science
may be vitalized in many ways. The following are examples:
 1. Excursions or school journeys:
 (1) Conducted tours of: water plants, electric plants,
 communications offices, industrial plants, packing
 plants, mining enterprises.
 (2) Making surveys of: health and safety, erosion and
 control, weather, climate, soil (soil profile), local
 plants and animals.
 (3) Making studies of: truck farming, groves (citrus,
 pecan, tropical fruit, and tung oil), nursery, naval
 stores, timber, sponges, fish, cattle raising.
 2. Class Activities:
 (1) Collections (often outgrowth of school journeys):
 rocks, shells, fossils, minerals, Indian relics, insects,
 flowers, leaves, wood sections, seeds, specimens to
 preserve.
 (2) Models (mechanical): airplanes, boats, locomo-
 tives, coaches, telephone, telegraph, radio, wiring in
 series and parallel, generators, electric motors, elec-
 tromagnet, electric bells, wiring model houses, wet
 cell batteries, simple machines.


3. Designed materials:
 (1) Cartoons (to


bring out principles of science).


(2) Maps (weather, polar, magnetic, pictorial, sky,
 products).
(3) Globes for sky and earth study.
(4) Charts: commercial and home made.