In the elementary and secondary schools, there is a movement toward a sequential instructional program which would involve the offering of a laboratory science each year from kindergarten to high school graduation. In some schools teachers have turned to science kits as a partial solution to the problems presented by restricted space, inadequate…

The phenomenal growth of science and technology in the past decade has made science teaching more important, and at the same time more difficult. An awareness of these changes has caused an unprecedented public support for sound science programs in the schools. A good science program makes effective use of equipment and materials in teaching basic…