Test data from 1,305 Israeli fifth graders involved in the Second International Science Study were analyzed to assess the role of in-school versus out-of-school activities on scientific knowledge. Most of the knowledge that children master within the school is the same as that which they master outside the school. (TJH)

Key findings based on data from the Second International Science Study for 19,036 third, fourth, seventh, eighth, ninth, eleventh, and twelfth graders in Sweden are discussed. Findings concerning achievement, attitudes, gender differences, future education, and career choices indicate that science achievement is increasing, and gender differences…