Understanding Scientific Practices

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Over two decades, many researchers (e.g., Lave & Wenger, 1991) have been interested in knowing and learning in terms of practices. Roth (1998) views practices as patterned activities that people participate to understand the world. Practices are viewed as ways of engaging with the social world to develop, share and maintain knowledge (Wenger, 1998). Practices as activities reify and build understandings of individuals who become a member of a community (Barab & Hay, 2001). However, practices can vary in different social contexts—school science and real (authentic) science. For example, while scientists can generate and use mathematical models in order to understand bats’ cardiovascular system in science-in-the-making process, science learners can generate research question, conduct their experiment, participate in class discussion and argue their results with other class members about a particular ready-made fact of science.

Science classroom can be viewed as sites that establish communities in which knowing and learning occur through socially participating in an activity, negotiating and sharing the meaning in a collective manner (Lave & Wenger, 1991; Wenger, 1998; Roth, 1995, 2006; Hogan & Corey, 2001). School science communities, unlike professional science research communities, introduce ready-made-science facts (Latour, 1987) to students. Science learners are provided opportunities to learn science and learn about science, not to do science (Hodson, 1998). They are presumably engaged in collective activities in a science classroom or laboratory, but their practical works, knowledge and discursive practices are bounded within their classroom community and they interact with members in that community (Bowen, 2005).

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...rovided and their teacher gives directions (Chinn & Malhotra, 2002). The lack of authenticity in their activities leads them to learn following instructions (Roth, 2006) and complete the task given rather than learning from it (Berry et al., 1999; Höngström et al., 2010). Laboratory works associated to hands-on activities ignore the importance of discussion and negotiation of meaning in the end (Jiménez-Aleixandre et al., 2000, Driver et al., 2000; Duschl et al., 2007). Even these activities are limited to cognitive aspects of doing science (i.e., making observations, deducing consequences from the hypothesis). They do not mirror epistemological and social processes of doing science (Duschl, 2008; Duschl &Grandy, 2008). Thus, incorporating some ideas from social studies of science into this study can help us reconsider what science is learned in science classrooms.

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