This textbook is first in a series of science readers adapted to Secondary Grades comprising pupils who are in their third and fourth years of school work. The lessons are progressive, each one of the series being built on the facts taught in the previous lesson. Moreover, the subject matter--the properties of bodies; the nature, growth, and…

This textbook is second in a series of science readers adapted to Secondary Grades comprising pupils who are in their third and fourth years of school work. The lessons are progressive, each one of the series being built on the facts taught in the previous lesson. Moreover, the subject matter--the properties of bodies; the nature, growth, and…

This textbook is the third in a series of science readers adapted to Secondary Grades comprising pupils who are in their third and fourth years of school work. The lessons are progressive, each one of the series being built on the facts taught in the previous lesson. Moreover, the subject matter--the properties of bodies; the nature, growth, and…

The study reported here was begun in 1955 by a group of five staff members in the Elementary Schools Section, U. S. Office of Education. The purpose was to find out and report: (1) what research says about children a 9,10, and 11; (2) what educators say about today's children in grades 4, 5, and 6, and (3) some good educational practices for…