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...European journal of stem education issn recycling plastics middle school students create solutions during a summer camp ergun akleman luciana barroso mary m capraro terry creasy kenneth fleming weiling he liang hong ashley williams texas university college architecture station usa aggie engineering and human development corresponding author mmcapraro tamu edu citation e l t k w https doi org ejsteme published december abstract four distinct projects created by emerged from one week long activity incorporated within science technology mathematics residential at research intensive the was project based learning pbl facilitated experts in geometry materials specific instruction involving concepts provided to emphasize content knowledge related rubric applied used determine evidence manifested participants final presentations demonstrated mixed results terms student outcomes but indicated that campers clear sense social environmental awareness responsibility toward keywords ages informal i...