Gregory Kelly Judith Green NGSS Next Generation Science Standards Norm Lederman bic Book Industry Communication::J Society & social sciences::JN Education bic Book Industry Communication::J Society & social sciences::JN Education::JNS Teaching of specific groups & persons with special educational needs::JNSV Teaching of students with English as a second language (TESOL) bic Book Industry Communication::J Society & social sciences::JN Education::JNT Teaching skills & techniques classroom discourse critical ethnography discourse studies engineering education science education science education reform science learning sociocultural theory thema EDItEUR::J Society and Social Sciences::JN Education thema EDItEUR::J Society and Social Sciences::JN Education::JNT Teaching skills and techniques thema EDItEUR::J Society and Social Sciences::JN Education::JNU Teaching of a specific subject