56 TEACHING SCIENCE IN THE ELEMENTARY SCHOOL

has been seen, evaluation of the film by the group, more reading
on the subject, and other activities.
 Homemade slides are often helpful. Children can create
their own material. The slides are inexpensive and can be washed
off and used again. Home made slides supplement commercially
prepared slides and permit local applications.
 Bulletin boards. The bulletin board offers great possibilities
for helping the children keep track of current science happen-
ings. The children are encouraged to watch the daily newspapers
and magazines for accounts of science materials, clip any period-
icals or collect any pictures that are available for this purpose,
and then put these accounts on the bulletin board. It may also
be used as a place to exhibit work done by members of the class.
 This type of activity may lead to further reading and dis-
cussion by the group, and may be made a valuable motivation
for increasing ability in reading.

 Collecting and exhibiting science specimens peculiar to Florida.