If it were only necessary to decidewhether to teach elementary science to everyone on a mass basis or to findind thegifted few and take them as far as they can go, our task would be fairlysimple. The public school 36_________ ,however, has no suchchoice, for the job must be 37_________ on at the same time.Because we depend so 38_________ uponscience and technology for our progress,we must produce 39_________ in many fields. Because wc live in ademocraticnation, whose citizens make the policies for the nation, largenumbers of us must be educated to understand, tosupport, and when necessary,to 40_________ the work of experts. The public school musteducate both producars andusers of scientific services.

In education, there should be a goodbalance among the branches of knowledge that contribute to effectivethinkingand wise judgment. Such balance is 41_________ by too much emphasison any one field. This question ofbalance involves not only the relation of thenatural sciences, the social sciences, and the arts but also relative 42_________ "among the natural sciencestbemselves.

Similarly, wc must have a balance betweencurrent and 43_________ knowledge. The attention of the public is 44_________drawn to new possibilities inscientific fields and the discovery of new knowledge; these should not beallowed toturn our attention away from the sound,45_________ materials thatform the basis of courses for beginners.