THE TEACHING OF PHYSICS 47

b. Use science displays; special bulletins, poster
 work, workable models and display cases in hall.
 Make special display for P.-T. A., civic clubs, and
 store windows.


I 7 I _N % U'"Wr
WANT TO SEE-
 STAND ON


 c. Invite other science classes to visit labor,
 while in action.
2. After pupils enroll, interest will continue if we


a.


atory


Present student demonstrations for science classes
in lower grades.
(1) Contact principal and offer to have stu-
 dents demonstrate.
(2) Be certain that students have mastered the
 demonstration.
(3) Anticipate questions asked by younger
 children. (Be prepared for surprises.)


b. Have field trips (school journeys).
 (1) Make preliminary plans with school and
 industry officials.
 (2) Explain nature and purpose of trip to
 other faculty members to insure their
 cooperation.
 (3) Carefully plan all details of trip-time
 element, transportation, arrange for guides