70 TEACHING SCIENCE IN THE ELEMENTARY SCHOOL

 Smaller amounts are not available. This amount will sup-
 ply the elementary school for two or three years.
 1- Alcohol burner (glass form)
 5 ft. Rubber tubing to fit 6 mm. glass tubing
 4- Minature light bulbs (for battery voltage)
 2- Pyrex flasks 250 cc. Florence Flat bottom
 4- Beakers Pyrex 400 cc. low form with lip
 2- Wire test tube clamps
 1- Thermometer Fahrenheit-Centigrade
 6- Test tubes Pyrex 6" lengths
 1- Wire gauze 4" x 4". Asbestos center
 1- Funnel, glass 3" dia.

 The following are a few of the many supply houses from
which these materials may be ordered:
 Central Scientific Company
 1700 Irving Park Blvd., Chicago, Illinois.
 220 East 42nd Street, New York, New York.
 Chicago Apparatus Company
 1735 North Ashland Ave., Chicago, Illinois.
 W. M. Welch Manufacturing Company
 1515 Sedgwick Street, Chicago, Illinois

SELECTED REFERENCES FOR TEACHERS
 Several kinds of printed material are available to teachers
for guidance and for resource use. A few outstanding examples
of three types are listed here: one, professional books, bulletins,
and magazines; two, publications available through state agen-
cies; three inexpensive reference material.

Professional Literature for Teachers of Elementary Science

 BOOKS AND BULLETINS
 Individuals interested in teaching science in the elementary
school and in the construction of a curriculum in this field will
wish to become familiar with these more recent books which
treat the teaching of science in the elementary school in its many
phases.
1. Arey, Charles K., Science Experiences for Elementary Schools, New
 York: Bureau of Publication, Teachers College, Columbia University,
 1942, 80 p. 54c. A clear presentation of many experiments and activi-
 ties suitable for elementary grades.
 2. Brandley, Franklin, Science Experiments for Ten to Twelve Year Olds.
 3. Craig, Gerald S., Science for the Elementary School Teacher, New
 York: Ginn and Company, 1940, 55 p. $2.90. An excellent reference
 book for all teachers in the elementary grades. It presents a discus-
 sion of the place of science in the elementary school. It presents many