1983-2117 1983-2117 S1983-21172007000200151 10.1590/1983-21172007090202 Brazil 00 12 2007 00 12 2007 9 2 151 161

CAMBRIDGE JOURNAL OF EDUCATION CAMBRIDGE JOURNAL OF EDUCATION 26 3 3 17 2 2 INTERNATIONAL JOURNAL OF SCIENCE EDUCATION INTERNATIONAL JOURNAL OF SCIENCE EDUCATION 25 9 9 9 9 188-205 1 30 3 3 585-610 3 3 3 63 2 2 167-99 Porto Alegre 249-55 Poços de Caldas 25 9 9 1095-110 1

1983-2117 1983-2117 S1983-21172007000200151 10.1590/1983-21172007090202 Brazil 00 12 2007 00 12 2007 9 2 151 161

CAMBRIDGE JOURNAL OF EDUCATION CAMBRIDGE JOURNAL OF EDUCATION 26 3 3 17 2 2 INTERNATIONAL JOURNAL OF SCIENCE EDUCATION INTERNATIONAL JOURNAL OF SCIENCE EDUCATION 25 9 9 9 9 188-205 1 30 3 3 585-610 3 3 3 63 2 2 167-99 Porto Alegre 249-55 Poços de Caldas 25 9 9 1095-110 1