If it were only necessary to decide whether to teach elementary science to everyone on a mess basis or to find the gifted few and take them as far as they can go, our task would be (1) ______ fairly simple. The public school system, moreover, has no such choice, for the two jobs (2) ______ must be carried on at the same time. Because we depend so heavily upon science and technology for our progress, we must produce specialists in many fields. Because we live (3) ______ in a democratic nation, whose citizens make the policies for the country, large numbers of (4) ______ us must be educated to understand, to support, and when necessary, to judge the work of experts. The public school must educate for both producers and users of scientific ser (5) ______ vices. In education there should be a good balance among the branches of knowledge that attribute to effective thinking and wise judgment. Such balance is defeated by too much (6) ______ emphasis on any one field. This question of balance involves not only the relation of the natural sciences, the social sciences, and the arts but also relative emphases between the (7) ______ natural sciences themselves. By contrast, we must have a balance between the current and (8) ______ classical knowledge. The attention of the public is continuously drawn to new possibilities (9) ______ in scientific fields and the discovery of new knowledge; these should not be allowed to turn our attention from the sound, established materials that form the basis of courses for (10) ______ beginners.